Home / 103,651.62-155,228.27-59,143.43

Finding the Fourth Proportional to 103,651.62, 155,228.27 and 59,143.43

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Solution

The fourth proportional to 103,651.62, 155,228.27 and 59,143.43 is: 88,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.62 : 155,228.27 = 59,143.43 : x
  2. Step 2: Convert to fraction form
    103,651.62/155,228.27 = 59,143.43/x
  3. Step 3: Cross multiply
    103,651.62x = 155,228.27 × 59,143.43
  4. Step 4: Simplify right side
    103,651.62x = 9,180,731,248.91
  5. Step 5: Solve for x
    x = 9,180,731,248.91/103,651.62
  6. Step 6: Final answer
    x = 88,572.96

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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.