Home / 234,080.10-350,972.52-128,972.88

Finding the Fourth Proportional to 234,080.10, 350,972.52 and 128,972.88

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Solution

The fourth proportional to 234,080.10, 350,972.52 and 128,972.88 is: 193,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,080.10 : 350,972.52 = 128,972.88 : x
  2. Step 2: Convert to fraction form
    234,080.10/350,972.52 = 128,972.88/x
  3. Step 3: Cross multiply
    234,080.10x = 350,972.52 × 128,972.88
  4. Step 4: Simplify right side
    234,080.10x = 45,265,936,705.26
  5. Step 5: Solve for x
    x = 45,265,936,705.26/234,080.10
  6. Step 6: Final answer
    x = 193,377.98

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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.