Home / 126,217.39-174,177.19-69,628.75

Finding the Fourth Proportional to 126,217.39, 174,177.19 and 69,628.75

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Solution

The fourth proportional to 126,217.39, 174,177.19 and 69,628.75 is: 96,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,217.39 : 174,177.19 = 69,628.75 : x
  2. Step 2: Convert to fraction form
    126,217.39/174,177.19 = 69,628.75/x
  3. Step 3: Cross multiply
    126,217.39x = 174,177.19 × 69,628.75
  4. Step 4: Simplify right side
    126,217.39x = 12,127,740,018.21
  5. Step 5: Solve for x
    x = 12,127,740,018.21/126,217.39
  6. Step 6: Final answer
    x = 96,086.13

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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.