Home / 656,138.21-984,207.24-157,502.21

Finding the Fourth Proportional to 656,138.21, 984,207.24 and 157,502.21

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Solution

The fourth proportional to 656,138.21, 984,207.24 and 157,502.21 is: 236,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,138.21 : 984,207.24 = 157,502.21 : x
  2. Step 2: Convert to fraction form
    656,138.21/984,207.24 = 157,502.21/x
  3. Step 3: Cross multiply
    656,138.21x = 984,207.24 × 157,502.21
  4. Step 4: Simplify right side
    656,138.21x = 155,014,810,476.96
  5. Step 5: Solve for x
    x = 155,014,810,476.96/656,138.21
  6. Step 6: Final answer
    x = 236,253.29

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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.