Home / 157,648.29-217,559.24-86,032.92

Finding the Fourth Proportional to 157,648.29, 217,559.24 and 86,032.92

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Solution

The fourth proportional to 157,648.29, 217,559.24 and 86,032.92 is: 118,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.29 : 217,559.24 = 86,032.92 : x
  2. Step 2: Convert to fraction form
    157,648.29/217,559.24 = 86,032.92/x
  3. Step 3: Cross multiply
    157,648.29x = 217,559.24 × 86,032.92
  4. Step 4: Simplify right side
    157,648.29x = 18,717,256,260.02
  5. Step 5: Solve for x
    x = 18,717,256,260.02/157,648.29
  6. Step 6: Final answer
    x = 118,727.94

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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.