Home / 126,480.28-174,541.08-69,892.60

Finding the Fourth Proportional to 126,480.28, 174,541.08 and 69,892.60

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Solution

The fourth proportional to 126,480.28, 174,541.08 and 69,892.60 is: 96,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.28 : 174,541.08 = 69,892.60 : x
  2. Step 2: Convert to fraction form
    126,480.28/174,541.08 = 69,892.60/x
  3. Step 3: Cross multiply
    126,480.28x = 174,541.08 × 69,892.60
  4. Step 4: Simplify right side
    126,480.28x = 12,199,129,888.01
  5. Step 5: Solve for x
    x = 12,199,129,888.01/126,480.28
  6. Step 6: Final answer
    x = 96,450.85

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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.