Home / 141,053.40-194,657.76-80,633.88

Finding the Fourth Proportional to 141,053.40, 194,657.76 and 80,633.88

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Solution

The fourth proportional to 141,053.40, 194,657.76 and 80,633.88 is: 111,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,053.40 : 194,657.76 = 80,633.88 : x
  2. Step 2: Convert to fraction form
    141,053.40/194,657.76 = 80,633.88/x
  3. Step 3: Cross multiply
    141,053.40x = 194,657.76 × 80,633.88
  4. Step 4: Simplify right side
    141,053.40x = 15,696,010,460.91
  5. Step 5: Solve for x
    x = 15,696,010,460.91/141,053.40
  6. Step 6: Final answer
    x = 111,277.08

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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.