Home / 116,780.33-161,148.34-69,024.45

Finding the Fourth Proportional to 116,780.33, 161,148.34 and 69,024.45

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Solution

The fourth proportional to 116,780.33, 161,148.34 and 69,024.45 is: 95,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,780.33 : 161,148.34 = 69,024.45 : x
  2. Step 2: Convert to fraction form
    116,780.33/161,148.34 = 69,024.45/x
  3. Step 3: Cross multiply
    116,780.33x = 161,148.34 × 69,024.45
  4. Step 4: Simplify right side
    116,780.33x = 11,123,175,839.24
  5. Step 5: Solve for x
    x = 11,123,175,839.24/116,780.33
  6. Step 6: Final answer
    x = 95,248.71

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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.