Home / 124,921.34-187,354.87-39,538.83

Finding the Fourth Proportional to 124,921.34, 187,354.87 and 39,538.83

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Solution

The fourth proportional to 124,921.34, 187,354.87 and 39,538.83 is: 59,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,921.34 : 187,354.87 = 39,538.83 : x
  2. Step 2: Convert to fraction form
    124,921.34/187,354.87 = 39,538.83/x
  3. Step 3: Cross multiply
    124,921.34x = 187,354.87 × 39,538.83
  4. Step 4: Simplify right side
    124,921.34x = 7,407,792,156.91
  5. Step 5: Solve for x
    x = 7,407,792,156.91/124,921.34
  6. Step 6: Final answer
    x = 59,299.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.