Home / 126,786.24-174,948.48-73,073.28

Finding the Fourth Proportional to 126,786.24, 174,948.48 and 73,073.28

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Solution

The fourth proportional to 126,786.24, 174,948.48 and 73,073.28 is: 100,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.24 : 174,948.48 = 73,073.28 : x
  2. Step 2: Convert to fraction form
    126,786.24/174,948.48 = 73,073.28/x
  3. Step 3: Cross multiply
    126,786.24x = 174,948.48 × 73,073.28
  4. Step 4: Simplify right side
    126,786.24x = 12,784,059,264.61
  5. Step 5: Solve for x
    x = 12,784,059,264.61/126,786.24
  6. Step 6: Final answer
    x = 100,831.60

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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.