Home / 127,645.67-191,453.90-34,158.71

Finding the Fourth Proportional to 127,645.67, 191,453.90 and 34,158.71

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Solution

The fourth proportional to 127,645.67, 191,453.90 and 34,158.71 is: 51,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,645.67 : 191,453.90 = 34,158.71 : x
  2. Step 2: Convert to fraction form
    127,645.67/191,453.90 = 34,158.71/x
  3. Step 3: Cross multiply
    127,645.67x = 191,453.90 × 34,158.71
  4. Step 4: Simplify right side
    127,645.67x = 6,539,817,120.41
  5. Step 5: Solve for x
    x = 6,539,817,120.41/127,645.67
  6. Step 6: Final answer
    x = 51,234.15

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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.