Home / 118,214.12-177,319.45-54,998.88

Finding the Fourth Proportional to 118,214.12, 177,319.45 and 54,998.88

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Solution

The fourth proportional to 118,214.12, 177,319.45 and 54,998.88 is: 82,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.12 : 177,319.45 = 54,998.88 : x
  2. Step 2: Convert to fraction form
    118,214.12/177,319.45 = 54,998.88/x
  3. Step 3: Cross multiply
    118,214.12x = 177,319.45 × 54,998.88
  4. Step 4: Simplify right side
    118,214.12x = 9,752,371,708.12
  5. Step 5: Solve for x
    x = 9,752,371,708.12/118,214.12
  6. Step 6: Final answer
    x = 82,497.52

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1.5x scale

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.