Home / 191,359.20-286,382.70-132,310.20

Finding the Fourth Proportional to 191,359.20, 286,382.70 and 132,310.20

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Solution

The fourth proportional to 191,359.20, 286,382.70 and 132,310.20 is: 198,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,359.20 : 286,382.70 = 132,310.20 : x
  2. Step 2: Convert to fraction form
    191,359.20/286,382.70 = 132,310.20/x
  3. Step 3: Cross multiply
    191,359.20x = 286,382.70 × 132,310.20
  4. Step 4: Simplify right side
    191,359.20x = 37,891,352,313.54
  5. Step 5: Solve for x
    x = 37,891,352,313.54/191,359.20
  6. Step 6: Final answer
    x = 198,011.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.