Home / 157,587.32-217,469.49-89,604.29

Finding the Fourth Proportional to 157,587.32, 217,469.49 and 89,604.29

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Solution

The fourth proportional to 157,587.32, 217,469.49 and 89,604.29 is: 123,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.32 : 217,469.49 = 89,604.29 : x
  2. Step 2: Convert to fraction form
    157,587.32/217,469.49 = 89,604.29/x
  3. Step 3: Cross multiply
    157,587.32x = 217,469.49 × 89,604.29
  4. Step 4: Simplify right side
    157,587.32x = 19,486,198,681.31
  5. Step 5: Solve for x
    x = 19,486,198,681.31/157,587.32
  6. Step 6: Final answer
    x = 123,653.35

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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.