Home / 195,425.04-269,317.98-156,618.78

Finding the Fourth Proportional to 195,425.04, 269,317.98 and 156,618.78

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Solution

The fourth proportional to 195,425.04, 269,317.98 and 156,618.78 is: 215,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,425.04 : 269,317.98 = 156,618.78 : x
  2. Step 2: Convert to fraction form
    195,425.04/269,317.98 = 156,618.78/x
  3. Step 3: Cross multiply
    195,425.04x = 269,317.98 × 156,618.78
  4. Step 4: Simplify right side
    195,425.04x = 42,180,253,964.64
  5. Step 5: Solve for x
    x = 42,180,253,964.64/195,425.04
  6. Step 6: Final answer
    x = 215,838.54

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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.