Home / 132,181.67-182,505.56-81,262.74

Finding the Fourth Proportional to 132,181.67, 182,505.56 and 81,262.74

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Solution

The fourth proportional to 132,181.67, 182,505.56 and 81,262.74 is: 112,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.67 : 182,505.56 = 81,262.74 : x
  2. Step 2: Convert to fraction form
    132,181.67/182,505.56 = 81,262.74/x
  3. Step 3: Cross multiply
    132,181.67x = 182,505.56 × 81,262.74
  4. Step 4: Simplify right side
    132,181.67x = 14,830,902,148.92
  5. Step 5: Solve for x
    x = 14,830,902,148.92/132,181.67
  6. Step 6: Final answer
    x = 112,200.90

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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.