Home / 157,347.27-217,132.47-85,727.88

Finding the Fourth Proportional to 157,347.27, 217,132.47 and 85,727.88

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Solution

The fourth proportional to 157,347.27, 217,132.47 and 85,727.88 is: 118,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,347.27 : 217,132.47 = 85,727.88 : x
  2. Step 2: Convert to fraction form
    157,347.27/217,132.47 = 85,727.88/x
  3. Step 3: Cross multiply
    157,347.27x = 217,132.47 × 85,727.88
  4. Step 4: Simplify right side
    157,347.27x = 18,614,306,332.26
  5. Step 5: Solve for x
    x = 18,614,306,332.26/157,347.27
  6. Step 6: Final answer
    x = 118,300.79

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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.