Home / 213,046.14-319,264.61-156,442.17

Finding the Fourth Proportional to 213,046.14, 319,264.61 and 156,442.17

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Solution

The fourth proportional to 213,046.14, 319,264.61 and 156,442.17 is: 234,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046.14 : 319,264.61 = 156,442.17 : x
  2. Step 2: Convert to fraction form
    213,046.14/319,264.61 = 156,442.17/x
  3. Step 3: Cross multiply
    213,046.14x = 319,264.61 × 156,442.17
  4. Step 4: Simplify right side
    213,046.14x = 49,946,447,610.39
  5. Step 5: Solve for x
    x = 49,946,447,610.39/213,046.14
  6. Step 6: Final answer
    x = 234,439.58

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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.