Home / 132,864.08-183,348.14-72,433.76

Finding the Fourth Proportional to 132,864.08, 183,348.14 and 72,433.76

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Solution

The fourth proportional to 132,864.08, 183,348.14 and 72,433.76 is: 99,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864.08 : 183,348.14 = 72,433.76 : x
  2. Step 2: Convert to fraction form
    132,864.08/183,348.14 = 72,433.76/x
  3. Step 3: Cross multiply
    132,864.08x = 183,348.14 × 72,433.76
  4. Step 4: Simplify right side
    132,864.08x = 13,280,593,890.30
  5. Step 5: Solve for x
    x = 13,280,593,890.30/132,864.08
  6. Step 6: Final answer
    x = 99,956.24

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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.