Home / 141,126.45-194,751.24-76,595.79

Finding the Fourth Proportional to 141,126.45, 194,751.24 and 76,595.79

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Solution

The fourth proportional to 141,126.45, 194,751.24 and 76,595.79 is: 105,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,126.45 : 194,751.24 = 76,595.79 : x
  2. Step 2: Convert to fraction form
    141,126.45/194,751.24 = 76,595.79/x
  3. Step 3: Cross multiply
    141,126.45x = 194,751.24 × 76,595.79
  4. Step 4: Simplify right side
    141,126.45x = 14,917,125,081.28
  5. Step 5: Solve for x
    x = 14,917,125,081.28/141,126.45
  6. Step 6: Final answer
    x = 105,700.42

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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.