Home / 104,873.10-156,981.60-82,565.70

Finding the Fourth Proportional to 104,873.10, 156,981.60 and 82,565.70

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Solution

The fourth proportional to 104,873.10, 156,981.60 and 82,565.70 is: 123,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,873.10 : 156,981.60 = 82,565.70 : x
  2. Step 2: Convert to fraction form
    104,873.10/156,981.60 = 82,565.70/x
  3. Step 3: Cross multiply
    104,873.10x = 156,981.60 × 82,565.70
  4. Step 4: Simplify right side
    104,873.10x = 12,961,295,691.12
  5. Step 5: Solve for x
    x = 12,961,295,691.12/104,873.10
  6. Step 6: Final answer
    x = 123,590.28

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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.