Home / 126,218.75-174,182.49-69,630.12

Finding the Fourth Proportional to 126,218.75, 174,182.49 and 69,630.12

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Solution

The fourth proportional to 126,218.75, 174,182.49 and 69,630.12 is: 96,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.75 : 174,182.49 = 69,630.12 : x
  2. Step 2: Convert to fraction form
    126,218.75/174,182.49 = 69,630.12/x
  3. Step 3: Cross multiply
    126,218.75x = 174,182.49 × 69,630.12
  4. Step 4: Simplify right side
    126,218.75x = 12,128,347,680.60
  5. Step 5: Solve for x
    x = 12,128,347,680.60/126,218.75
  6. Step 6: Final answer
    x = 96,089.91

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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.