Home / 166,532.63-229,815.02-91,081.13

Finding the Fourth Proportional to 166,532.63, 229,815.02 and 91,081.13

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Solution

The fourth proportional to 166,532.63, 229,815.02 and 91,081.13 is: 125,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,532.63 : 229,815.02 = 91,081.13 : x
  2. Step 2: Convert to fraction form
    166,532.63/229,815.02 = 91,081.13/x
  3. Step 3: Cross multiply
    166,532.63x = 229,815.02 × 91,081.13
  4. Step 4: Simplify right side
    166,532.63x = 20,931,810,791.20
  5. Step 5: Solve for x
    x = 20,931,810,791.20/166,532.63
  6. Step 6: Final answer
    x = 125,691.95

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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.