Home / 119,806.29-165,326.00-66,080.61

Finding the Fourth Proportional to 119,806.29, 165,326.00 and 66,080.61

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Solution

The fourth proportional to 119,806.29, 165,326.00 and 66,080.61 is: 91,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,806.29 : 165,326.00 = 66,080.61 : x
  2. Step 2: Convert to fraction form
    119,806.29/165,326.00 = 66,080.61/x
  3. Step 3: Cross multiply
    119,806.29x = 165,326.00 × 66,080.61
  4. Step 4: Simplify right side
    119,806.29x = 10,924,842,598.46
  5. Step 5: Solve for x
    x = 10,924,842,598.46/119,806.29
  6. Step 6: Final answer
    x = 91,187.55

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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.