Home / 132,350.49-182,624.27-78,637.77

Finding the Fourth Proportional to 132,350.49, 182,624.27 and 78,637.77

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Solution

The fourth proportional to 132,350.49, 182,624.27 and 78,637.77 is: 108,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.49 : 182,624.27 = 78,637.77 : x
  2. Step 2: Convert to fraction form
    132,350.49/182,624.27 = 78,637.77/x
  3. Step 3: Cross multiply
    132,350.49x = 182,624.27 × 78,637.77
  4. Step 4: Simplify right side
    132,350.49x = 14,361,164,947.49
  5. Step 5: Solve for x
    x = 14,361,164,947.49/132,350.49
  6. Step 6: Final answer
    x = 108,508.59

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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.