Home / 127,337.40-191,006.10-113,559.30

Finding the Fourth Proportional to 127,337.40, 191,006.10 and 113,559.30

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Solution

The fourth proportional to 127,337.40, 191,006.10 and 113,559.30 is: 170,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,337.40 : 191,006.10 = 113,559.30 : x
  2. Step 2: Convert to fraction form
    127,337.40/191,006.10 = 113,559.30/x
  3. Step 3: Cross multiply
    127,337.40x = 191,006.10 × 113,559.30
  4. Step 4: Simplify right side
    127,337.40x = 21,690,519,011.73
  5. Step 5: Solve for x
    x = 21,690,519,011.73/127,337.40
  6. Step 6: Final answer
    x = 170,338.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.