Home / 132,498.15-182,769.60-83,361.65

Finding the Fourth Proportional to 132,498.15, 182,769.60 and 83,361.65

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Solution

The fourth proportional to 132,498.15, 182,769.60 and 83,361.65 is: 114,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,498.15 : 182,769.60 = 83,361.65 : x
  2. Step 2: Convert to fraction form
    132,498.15/182,769.60 = 83,361.65/x
  3. Step 3: Cross multiply
    132,498.15x = 182,769.60 × 83,361.65
  4. Step 4: Simplify right side
    132,498.15x = 15,235,974,511.99
  5. Step 5: Solve for x
    x = 15,235,974,511.99/132,498.15
  6. Step 6: Final answer
    x = 114,990.10

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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.