Home / 132,379.52-182,687.82-75,809.12

Finding the Fourth Proportional to 132,379.52, 182,687.82 and 75,809.12

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Solution

The fourth proportional to 132,379.52, 182,687.82 and 75,809.12 is: 104,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,379.52 : 182,687.82 = 75,809.12 : x
  2. Step 2: Convert to fraction form
    132,379.52/182,687.82 = 75,809.12/x
  3. Step 3: Cross multiply
    132,379.52x = 182,687.82 × 75,809.12
  4. Step 4: Simplify right side
    132,379.52x = 13,849,402,868.92
  5. Step 5: Solve for x
    x = 13,849,402,868.92/132,379.52
  6. Step 6: Final answer
    x = 104,618.92

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1.5x scale

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.