Home / 162,204.66-243,306.86-118,111.91

Finding the Fourth Proportional to 162,204.66, 243,306.86 and 118,111.91

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Solution

The fourth proportional to 162,204.66, 243,306.86 and 118,111.91 is: 177,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,204.66 : 243,306.86 = 118,111.91 : x
  2. Step 2: Convert to fraction form
    162,204.66/243,306.86 = 118,111.91/x
  3. Step 3: Cross multiply
    162,204.66x = 243,306.86 × 118,111.91
  4. Step 4: Simplify right side
    162,204.66x = 28,737,436,143.61
  5. Step 5: Solve for x
    x = 28,737,436,143.61/162,204.66
  6. Step 6: Final answer
    x = 177,167.76

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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.