Home / 132,506.70-182,900.34-81,535.02

Finding the Fourth Proportional to 132,506.70, 182,900.34 and 81,535.02

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Solution

The fourth proportional to 132,506.70, 182,900.34 and 81,535.02 is: 112,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,506.70 : 182,900.34 = 81,535.02 : x
  2. Step 2: Convert to fraction form
    132,506.70/182,900.34 = 81,535.02/x
  3. Step 3: Cross multiply
    132,506.70x = 182,900.34 × 81,535.02
  4. Step 4: Simplify right side
    132,506.70x = 14,912,782,879.91
  5. Step 5: Solve for x
    x = 14,912,782,879.91/132,506.70
  6. Step 6: Final answer
    x = 112,543.61

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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.