Home / 157,440.27-217,259.36-89,447.81

Finding the Fourth Proportional to 157,440.27, 217,259.36 and 89,447.81

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Solution

The fourth proportional to 157,440.27, 217,259.36 and 89,447.81 is: 123,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440.27 : 217,259.36 = 89,447.81 : x
  2. Step 2: Convert to fraction form
    157,440.27/217,259.36 = 89,447.81/x
  3. Step 3: Cross multiply
    157,440.27x = 217,259.36 × 89,447.81
  4. Step 4: Simplify right side
    157,440.27x = 19,433,372,755.90
  5. Step 5: Solve for x
    x = 19,433,372,755.90/157,440.27
  6. Step 6: Final answer
    x = 123,433.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.