Home / 126,476.28-174,535.56-69,888.60

Finding the Fourth Proportional to 126,476.28, 174,535.56 and 69,888.60

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Solution

The fourth proportional to 126,476.28, 174,535.56 and 69,888.60 is: 96,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.28 : 174,535.56 = 69,888.60 : x
  2. Step 2: Convert to fraction form
    126,476.28/174,535.56 = 69,888.60/x
  3. Step 3: Cross multiply
    126,476.28x = 174,535.56 × 69,888.60
  4. Step 4: Simplify right side
    126,476.28x = 12,198,045,938.62
  5. Step 5: Solve for x
    x = 12,198,045,938.62/126,476.28
  6. Step 6: Final answer
    x = 96,445.33

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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.