Home / 127,641.26-191,447.30-34,154.30

Finding the Fourth Proportional to 127,641.26, 191,447.30 and 34,154.30

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Solution

The fourth proportional to 127,641.26, 191,447.30 and 34,154.30 is: 51,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,641.26 : 191,447.30 = 34,154.30 : x
  2. Step 2: Convert to fraction form
    127,641.26/191,447.30 = 34,154.30/x
  3. Step 3: Cross multiply
    127,641.26x = 191,447.30 × 34,154.30
  4. Step 4: Simplify right side
    127,641.26x = 6,538,747,390.38
  5. Step 5: Solve for x
    x = 6,538,747,390.38/127,641.26
  6. Step 6: Final answer
    x = 51,227.54

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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.