Home / 134,853.12-202,277.52-51,747.12

Finding the Fourth Proportional to 134,853.12, 202,277.52 and 51,747.12

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Solution

The fourth proportional to 134,853.12, 202,277.52 and 51,747.12 is: 77,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,853.12 : 202,277.52 = 51,747.12 : x
  2. Step 2: Convert to fraction form
    134,853.12/202,277.52 = 51,747.12/x
  3. Step 3: Cross multiply
    134,853.12x = 202,277.52 × 51,747.12
  4. Step 4: Simplify right side
    134,853.12x = 10,467,279,100.74
  5. Step 5: Solve for x
    x = 10,467,279,100.74/134,853.12
  6. Step 6: Final answer
    x = 77,619.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.