Home / 132,329.67-182,612.32-71,900.75

Finding the Fourth Proportional to 132,329.67, 182,612.32 and 71,900.75

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Solution

The fourth proportional to 132,329.67, 182,612.32 and 71,900.75 is: 99,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.67 : 182,612.32 = 71,900.75 : x
  2. Step 2: Convert to fraction form
    132,329.67/182,612.32 = 71,900.75/x
  3. Step 3: Cross multiply
    132,329.67x = 182,612.32 × 71,900.75
  4. Step 4: Simplify right side
    132,329.67x = 13,129,962,933.46
  5. Step 5: Solve for x
    x = 13,129,962,933.46/132,329.67
  6. Step 6: Final answer
    x = 99,221.61

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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.