Home / 119,526.12-165,058.02-74,891.88

Finding the Fourth Proportional to 119,526.12, 165,058.02 and 74,891.88

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Solution

The fourth proportional to 119,526.12, 165,058.02 and 74,891.88 is: 103,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,526.12 : 165,058.02 = 74,891.88 : x
  2. Step 2: Convert to fraction form
    119,526.12/165,058.02 = 74,891.88/x
  3. Step 3: Cross multiply
    119,526.12x = 165,058.02 × 74,891.88
  4. Step 4: Simplify right side
    119,526.12x = 12,361,505,426.88
  5. Step 5: Solve for x
    x = 12,361,505,426.88/119,526.12
  6. Step 6: Final answer
    x = 103,420.95

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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.