Home / 191,711.40-286,147.73-179,891.88

Finding the Fourth Proportional to 191,711.40, 286,147.73 and 179,891.88

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Solution

The fourth proportional to 191,711.40, 286,147.73 and 179,891.88 is: 268,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,711.40 : 286,147.73 = 179,891.88 : x
  2. Step 2: Convert to fraction form
    191,711.40/286,147.73 = 179,891.88/x
  3. Step 3: Cross multiply
    191,711.40x = 286,147.73 × 179,891.88
  4. Step 4: Simplify right side
    191,711.40x = 51,475,653,107.43
  5. Step 5: Solve for x
    x = 51,475,653,107.43/191,711.40
  6. Step 6: Final answer
    x = 268,505.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.