Home / 107,165.80-160,715.86-74,098.36

Finding the Fourth Proportional to 107,165.80, 160,715.86 and 74,098.36

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Solution

The fourth proportional to 107,165.80, 160,715.86 and 74,098.36 is: 111,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,165.80 : 160,715.86 = 74,098.36 : x
  2. Step 2: Convert to fraction form
    107,165.80/160,715.86 = 74,098.36/x
  3. Step 3: Cross multiply
    107,165.80x = 160,715.86 × 74,098.36
  4. Step 4: Simplify right side
    107,165.80x = 11,908,781,651.99
  5. Step 5: Solve for x
    x = 11,908,781,651.99/107,165.80
  6. Step 6: Final answer
    x = 111,124.83

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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.