Home / 141,177.72-194,828.04-77,514.96

Finding the Fourth Proportional to 141,177.72, 194,828.04 and 77,514.96

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Solution

The fourth proportional to 141,177.72, 194,828.04 and 77,514.96 is: 106,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.72 : 194,828.04 = 77,514.96 : x
  2. Step 2: Convert to fraction form
    141,177.72/194,828.04 = 77,514.96/x
  3. Step 3: Cross multiply
    141,177.72x = 194,828.04 × 77,514.96
  4. Step 4: Simplify right side
    141,177.72x = 15,102,087,727.48
  5. Step 5: Solve for x
    x = 15,102,087,727.48/141,177.72
  6. Step 6: Final answer
    x = 106,972.17

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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.