Home / 132,545.06-182,910.77-78,828.90

Finding the Fourth Proportional to 132,545.06, 182,910.77 and 78,828.90

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Solution

The fourth proportional to 132,545.06, 182,910.77 and 78,828.90 is: 108,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545.06 : 182,910.77 = 78,828.90 : x
  2. Step 2: Convert to fraction form
    132,545.06/182,910.77 = 78,828.90/x
  3. Step 3: Cross multiply
    132,545.06x = 182,910.77 × 78,828.90
  4. Step 4: Simplify right side
    132,545.06x = 14,418,654,698.72
  5. Step 5: Solve for x
    x = 14,418,654,698.72/132,545.06
  6. Step 6: Final answer
    x = 108,783.04

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1.5x scale

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.