Home / 126,827.64-174,982.28-73,105.20

Finding the Fourth Proportional to 126,827.64, 174,982.28 and 73,105.20

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Solution

The fourth proportional to 126,827.64, 174,982.28 and 73,105.20 is: 100,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,827.64 : 174,982.28 = 73,105.20 : x
  2. Step 2: Convert to fraction form
    126,827.64/174,982.28 = 73,105.20/x
  3. Step 3: Cross multiply
    126,827.64x = 174,982.28 × 73,105.20
  4. Step 4: Simplify right side
    126,827.64x = 12,792,114,210.33
  5. Step 5: Solve for x
    x = 12,792,114,210.33/126,827.64
  6. Step 6: Final answer
    x = 100,862.20

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1.5x scale

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.