Home / 127,649.67-191,459.89-34,162.71

Finding the Fourth Proportional to 127,649.67, 191,459.89 and 34,162.71

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Solution

The fourth proportional to 127,649.67, 191,459.89 and 34,162.71 is: 51,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,649.67 : 191,459.89 = 34,162.71 : x
  2. Step 2: Convert to fraction form
    127,649.67/191,459.89 = 34,162.71/x
  3. Step 3: Cross multiply
    127,649.67x = 191,459.89 × 34,162.71
  4. Step 4: Simplify right side
    127,649.67x = 6,540,788,698.70
  5. Step 5: Solve for x
    x = 6,540,788,698.70/127,649.67
  6. Step 6: Final answer
    x = 51,240.15

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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.