Home / 126,930.77-190,398.17-48,023.81

Finding the Fourth Proportional to 126,930.77, 190,398.17 and 48,023.81

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Solution

The fourth proportional to 126,930.77, 190,398.17 and 48,023.81 is: 72,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,930.77 : 190,398.17 = 48,023.81 : x
  2. Step 2: Convert to fraction form
    126,930.77/190,398.17 = 48,023.81/x
  3. Step 3: Cross multiply
    126,930.77x = 190,398.17 × 48,023.81
  4. Step 4: Simplify right side
    126,930.77x = 9,143,644,708.50
  5. Step 5: Solve for x
    x = 9,143,644,708.50/126,930.77
  6. Step 6: Final answer
    x = 72,036.47

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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.