Home / 118,815.20-178,124.12-62,623.92

Finding the Fourth Proportional to 118,815.20, 178,124.12 and 62,623.92

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Solution

The fourth proportional to 118,815.20, 178,124.12 and 62,623.92 is: 93,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,815.20 : 178,124.12 = 62,623.92 : x
  2. Step 2: Convert to fraction form
    118,815.20/178,124.12 = 62,623.92/x
  3. Step 3: Cross multiply
    118,815.20x = 178,124.12 × 62,623.92
  4. Step 4: Simplify right side
    118,815.20x = 11,154,830,640.95
  5. Step 5: Solve for x
    x = 11,154,830,640.95/118,815.20
  6. Step 6: Final answer
    x = 93,883.87

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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.