Home / 119,870.39-165,481.02-74,562.95

Finding the Fourth Proportional to 119,870.39, 165,481.02 and 74,562.95

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Solution

The fourth proportional to 119,870.39, 165,481.02 and 74,562.95 is: 102,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,870.39 : 165,481.02 = 74,562.95 : x
  2. Step 2: Convert to fraction form
    119,870.39/165,481.02 = 74,562.95/x
  3. Step 3: Cross multiply
    119,870.39x = 165,481.02 × 74,562.95
  4. Step 4: Simplify right side
    119,870.39x = 12,338,752,192.80
  5. Step 5: Solve for x
    x = 12,338,752,192.80/119,870.39
  6. Step 6: Final answer
    x = 102,934.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.