Home / 132,553.95-182,864.01-78,808.42

Finding the Fourth Proportional to 132,553.95, 182,864.01 and 78,808.42

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Solution

The fourth proportional to 132,553.95, 182,864.01 and 78,808.42 is: 108,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553.95 : 182,864.01 = 78,808.42 : x
  2. Step 2: Convert to fraction form
    132,553.95/182,864.01 = 78,808.42/x
  3. Step 3: Cross multiply
    132,553.95x = 182,864.01 × 78,808.42
  4. Step 4: Simplify right side
    132,553.95x = 14,411,223,702.96
  5. Step 5: Solve for x
    x = 14,411,223,702.96/132,553.95
  6. Step 6: Final answer
    x = 108,719.69

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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.