Home / 132,564.92-182,934.06-72,945.08

Finding the Fourth Proportional to 132,564.92, 182,934.06 and 72,945.08

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Solution

The fourth proportional to 132,564.92, 182,934.06 and 72,945.08 is: 100,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.92 : 182,934.06 = 72,945.08 : x
  2. Step 2: Convert to fraction form
    132,564.92/182,934.06 = 72,945.08/x
  3. Step 3: Cross multiply
    132,564.92x = 182,934.06 × 72,945.08
  4. Step 4: Simplify right side
    132,564.92x = 13,344,139,641.42
  5. Step 5: Solve for x
    x = 13,344,139,641.42/132,564.92
  6. Step 6: Final answer
    x = 100,661.17

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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.