Home / 132,234.72-182,479.20-71,804.12

Finding the Fourth Proportional to 132,234.72, 182,479.20 and 71,804.12

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Solution

The fourth proportional to 132,234.72, 182,479.20 and 71,804.12 is: 99,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,234.72 : 182,479.20 = 71,804.12 : x
  2. Step 2: Convert to fraction form
    132,234.72/182,479.20 = 71,804.12/x
  3. Step 3: Cross multiply
    132,234.72x = 182,479.20 × 71,804.12
  4. Step 4: Simplify right side
    132,234.72x = 13,102,758,374.30
  5. Step 5: Solve for x
    x = 13,102,758,374.30/132,234.72
  6. Step 6: Final answer
    x = 99,087.13

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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.