Home / 147,092.46-220,641.12-71,146.86

Finding the Fourth Proportional to 147,092.46, 220,641.12 and 71,146.86

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Solution

The fourth proportional to 147,092.46, 220,641.12 and 71,146.86 is: 106,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.46 : 220,641.12 = 71,146.86 : x
  2. Step 2: Convert to fraction form
    147,092.46/220,641.12 = 71,146.86/x
  3. Step 3: Cross multiply
    147,092.46x = 220,641.12 × 71,146.86
  4. Step 4: Simplify right side
    147,092.46x = 15,697,922,874.88
  5. Step 5: Solve for x
    x = 15,697,922,874.88/147,092.46
  6. Step 6: Final answer
    x = 106,721.47

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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.