Home / 126,876.14-175,087.14-69,515.00

Finding the Fourth Proportional to 126,876.14, 175,087.14 and 69,515.00

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Solution

The fourth proportional to 126,876.14, 175,087.14 and 69,515.00 is: 95,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.14 : 175,087.14 = 69,515.00 : x
  2. Step 2: Convert to fraction form
    126,876.14/175,087.14 = 69,515.00/x
  3. Step 3: Cross multiply
    126,876.14x = 175,087.14 × 69,515.00
  4. Step 4: Simplify right side
    126,876.14x = 12,171,181,661.66
  5. Step 5: Solve for x
    x = 12,171,181,661.66/126,876.14
  6. Step 6: Final answer
    x = 95,929.64

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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.