Home / 295,190.10-442,785.15-84,815.70

Finding the Fourth Proportional to 295,190.10, 442,785.15 and 84,815.70

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Solution

The fourth proportional to 295,190.10, 442,785.15 and 84,815.70 is: 127,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,190.10 : 442,785.15 = 84,815.70 : x
  2. Step 2: Convert to fraction form
    295,190.10/442,785.15 = 84,815.70/x
  3. Step 3: Cross multiply
    295,190.10x = 442,785.15 × 84,815.70
  4. Step 4: Simplify right side
    295,190.10x = 37,555,132,446.86
  5. Step 5: Solve for x
    x = 37,555,132,446.86/295,190.10
  6. Step 6: Final answer
    x = 127,223.55

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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.