Home / 126,189.60-174,135.51-75,201.18

Finding the Fourth Proportional to 126,189.60, 174,135.51 and 75,201.18

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Solution

The fourth proportional to 126,189.60, 174,135.51 and 75,201.18 is: 103,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.60 : 174,135.51 = 75,201.18 : x
  2. Step 2: Convert to fraction form
    126,189.60/174,135.51 = 75,201.18/x
  3. Step 3: Cross multiply
    126,189.60x = 174,135.51 × 75,201.18
  4. Step 4: Simplify right side
    126,189.60x = 13,095,195,831.90
  5. Step 5: Solve for x
    x = 13,095,195,831.90/126,189.60
  6. Step 6: Final answer
    x = 103,773.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.