Home / 213,294.13-319,577.04-117,311.68

Finding the Fourth Proportional to 213,294.13, 319,577.04 and 117,311.68

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Solution

The fourth proportional to 213,294.13, 319,577.04 and 117,311.68 is: 175,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,294.13 : 319,577.04 = 117,311.68 : x
  2. Step 2: Convert to fraction form
    213,294.13/319,577.04 = 117,311.68/x
  3. Step 3: Cross multiply
    213,294.13x = 319,577.04 × 117,311.68
  4. Step 4: Simplify right side
    213,294.13x = 37,490,120,420.17
  5. Step 5: Solve for x
    x = 37,490,120,420.17/213,294.13
  6. Step 6: Final answer
    x = 175,767.24

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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.