Home / 132,380.93-182,712.27-78,655.62

Finding the Fourth Proportional to 132,380.93, 182,712.27 and 78,655.62

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Solution

The fourth proportional to 132,380.93, 182,712.27 and 78,655.62 is: 108,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.93 : 182,712.27 = 78,655.62 : x
  2. Step 2: Convert to fraction form
    132,380.93/182,712.27 = 78,655.62/x
  3. Step 3: Cross multiply
    132,380.93x = 182,712.27 × 78,655.62
  4. Step 4: Simplify right side
    132,380.93x = 14,371,347,858.59
  5. Step 5: Solve for x
    x = 14,371,347,858.59/132,380.93
  6. Step 6: Final answer
    x = 108,560.56

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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.