Home / 234,774.40-323,988.78-127,344.04

Finding the Fourth Proportional to 234,774.40, 323,988.78 and 127,344.04

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Solution

The fourth proportional to 234,774.40, 323,988.78 and 127,344.04 is: 175,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,774.40 : 323,988.78 = 127,344.04 : x
  2. Step 2: Convert to fraction form
    234,774.40/323,988.78 = 127,344.04/x
  3. Step 3: Cross multiply
    234,774.40x = 323,988.78 × 127,344.04
  4. Step 4: Simplify right side
    234,774.40x = 41,258,040,159.87
  5. Step 5: Solve for x
    x = 41,258,040,159.87/234,774.40
  6. Step 6: Final answer
    x = 175,734.83

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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.