Home / 141,223.03-194,889.31-77,560.83

Finding the Fourth Proportional to 141,223.03, 194,889.31 and 77,560.83

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Solution

The fourth proportional to 141,223.03, 194,889.31 and 77,560.83 is: 107,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,223.03 : 194,889.31 = 77,560.83 : x
  2. Step 2: Convert to fraction form
    141,223.03/194,889.31 = 77,560.83/x
  3. Step 3: Cross multiply
    141,223.03x = 194,889.31 × 77,560.83
  4. Step 4: Simplify right side
    141,223.03x = 15,115,776,641.73
  5. Step 5: Solve for x
    x = 15,115,776,641.73/141,223.03
  6. Step 6: Final answer
    x = 107,034.78

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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.