Home / 132,408.39-182,703.32-75,044.43

Finding the Fourth Proportional to 132,408.39, 182,703.32 and 75,044.43

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Solution

The fourth proportional to 132,408.39, 182,703.32 and 75,044.43 is: 103,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408.39 : 182,703.32 = 75,044.43 : x
  2. Step 2: Convert to fraction form
    132,408.39/182,703.32 = 75,044.43/x
  3. Step 3: Cross multiply
    132,408.39x = 182,703.32 × 75,044.43
  4. Step 4: Simplify right side
    132,408.39x = 13,710,866,133.29
  5. Step 5: Solve for x
    x = 13,710,866,133.29/132,408.39
  6. Step 6: Final answer
    x = 103,549.83

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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.