Home / 126,844.08-175,061.97-73,128.12

Finding the Fourth Proportional to 126,844.08, 175,061.97 and 73,128.12

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Solution

The fourth proportional to 126,844.08, 175,061.97 and 73,128.12 is: 100,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.08 : 175,061.97 = 73,128.12 : x
  2. Step 2: Convert to fraction form
    126,844.08/175,061.97 = 73,128.12/x
  3. Step 3: Cross multiply
    126,844.08x = 175,061.97 × 73,128.12
  4. Step 4: Simplify right side
    126,844.08x = 12,801,952,749.60
  5. Step 5: Solve for x
    x = 12,801,952,749.60/126,844.08
  6. Step 6: Final answer
    x = 100,926.69

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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.