Home / 156,724.65-216,284.31-92,198.43

Finding the Fourth Proportional to 156,724.65, 216,284.31 and 92,198.43

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Solution

The fourth proportional to 156,724.65, 216,284.31 and 92,198.43 is: 127,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.65 : 216,284.31 = 92,198.43 : x
  2. Step 2: Convert to fraction form
    156,724.65/216,284.31 = 92,198.43/x
  3. Step 3: Cross multiply
    156,724.65x = 216,284.31 × 92,198.43
  4. Step 4: Simplify right side
    156,724.65x = 19,941,073,354.64
  5. Step 5: Solve for x
    x = 19,941,073,354.64/156,724.65
  6. Step 6: Final answer
    x = 127,236.36

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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.