Home / 157,631.54-217,536.30-89,658.29

Finding the Fourth Proportional to 157,631.54, 217,536.30 and 89,658.29

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Solution

The fourth proportional to 157,631.54, 217,536.30 and 89,658.29 is: 123,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,631.54 : 217,536.30 = 89,658.29 : x
  2. Step 2: Convert to fraction form
    157,631.54/217,536.30 = 89,658.29/x
  3. Step 3: Cross multiply
    157,631.54x = 217,536.30 × 89,658.29
  4. Step 4: Simplify right side
    157,631.54x = 19,503,933,214.77
  5. Step 5: Solve for x
    x = 19,503,933,214.77/157,631.54
  6. Step 6: Final answer
    x = 123,731.16

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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.