Home / 127,234.28-175,570.09-73,536.45

Finding the Fourth Proportional to 127,234.28, 175,570.09 and 73,536.45

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Solution

The fourth proportional to 127,234.28, 175,570.09 and 73,536.45 is: 101,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,234.28 : 175,570.09 = 73,536.45 : x
  2. Step 2: Convert to fraction form
    127,234.28/175,570.09 = 73,536.45/x
  3. Step 3: Cross multiply
    127,234.28x = 175,570.09 × 73,536.45
  4. Step 4: Simplify right side
    127,234.28x = 12,910,801,144.78
  5. Step 5: Solve for x
    x = 12,910,801,144.78/127,234.28
  6. Step 6: Final answer
    x = 101,472.66

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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.