Home / 656,143.16-984,214.76-157,507.16

Finding the Fourth Proportional to 656,143.16, 984,214.76 and 157,507.16

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Solution

The fourth proportional to 656,143.16, 984,214.76 and 157,507.16 is: 236,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,143.16 : 984,214.76 = 157,507.16 : x
  2. Step 2: Convert to fraction form
    656,143.16/984,214.76 = 157,507.16/x
  3. Step 3: Cross multiply
    656,143.16x = 984,214.76 × 157,507.16
  4. Step 4: Simplify right side
    656,143.16x = 155,020,871,677.68
  5. Step 5: Solve for x
    x = 155,020,871,677.68/656,143.16
  6. Step 6: Final answer
    x = 236,260.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.