Home / 132,236.24-182,482.01-71,805.78

Finding the Fourth Proportional to 132,236.24, 182,482.01 and 71,805.78

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Solution

The fourth proportional to 132,236.24, 182,482.01 and 71,805.78 is: 99,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,236.24 : 182,482.01 = 71,805.78 : x
  2. Step 2: Convert to fraction form
    132,236.24/182,482.01 = 71,805.78/x
  3. Step 3: Cross multiply
    132,236.24x = 182,482.01 × 71,805.78
  4. Step 4: Simplify right side
    132,236.24x = 13,103,262,704.99
  5. Step 5: Solve for x
    x = 13,103,262,704.99/132,236.24
  6. Step 6: Final answer
    x = 99,089.80

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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.