Home / 132,982.80-183,522.12-76,411.92

Finding the Fourth Proportional to 132,982.80, 183,522.12 and 76,411.92

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Solution

The fourth proportional to 132,982.80, 183,522.12 and 76,411.92 is: 105,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982.80 : 183,522.12 = 76,411.92 : x
  2. Step 2: Convert to fraction form
    132,982.80/183,522.12 = 76,411.92/x
  3. Step 3: Cross multiply
    132,982.80x = 183,522.12 × 76,411.92
  4. Step 4: Simplify right side
    132,982.80x = 14,023,277,551.67
  5. Step 5: Solve for x
    x = 14,023,277,551.67/132,982.80
  6. Step 6: Final answer
    x = 105,451.81

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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.