Home / 119,806.25-179,641.91-39,801.38

Finding the Fourth Proportional to 119,806.25, 179,641.91 and 39,801.38

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Solution

The fourth proportional to 119,806.25, 179,641.91 and 39,801.38 is: 59,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,806.25 : 179,641.91 = 39,801.38 : x
  2. Step 2: Convert to fraction form
    119,806.25/179,641.91 = 39,801.38/x
  3. Step 3: Cross multiply
    119,806.25x = 179,641.91 × 39,801.38
  4. Step 4: Simplify right side
    119,806.25x = 7,149,995,125.13
  5. Step 5: Solve for x
    x = 7,149,995,125.13/119,806.25
  6. Step 6: Final answer
    x = 59,679.65

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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.