Home / 132,370.08-182,672.13-71,940.73

Finding the Fourth Proportional to 132,370.08, 182,672.13 and 71,940.73

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Solution

The fourth proportional to 132,370.08, 182,672.13 and 71,940.73 is: 99,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.08 : 182,672.13 = 71,940.73 : x
  2. Step 2: Convert to fraction form
    132,370.08/182,672.13 = 71,940.73/x
  3. Step 3: Cross multiply
    132,370.08x = 182,672.13 × 71,940.73
  4. Step 4: Simplify right side
    132,370.08x = 13,141,566,133.80
  5. Step 5: Solve for x
    x = 13,141,566,133.80/132,370.08
  6. Step 6: Final answer
    x = 99,278.98

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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.