Home / 656,356.16-984,534.14-157,720.16

Finding the Fourth Proportional to 656,356.16, 984,534.14 and 157,720.16

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Solution

The fourth proportional to 656,356.16, 984,534.14 and 157,720.16 is: 236,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,356.16 : 984,534.14 = 157,720.16 : x
  2. Step 2: Convert to fraction form
    656,356.16/984,534.14 = 157,720.16/x
  3. Step 3: Cross multiply
    656,356.16x = 984,534.14 × 157,720.16
  4. Step 4: Simplify right side
    656,356.16x = 155,280,884,941.90
  5. Step 5: Solve for x
    x = 155,280,884,941.90/656,356.16
  6. Step 6: Final answer
    x = 236,580.22

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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.