Home / 234,934.10-352,322.16-85,143.02

Finding the Fourth Proportional to 234,934.10, 352,322.16 and 85,143.02

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Solution

The fourth proportional to 234,934.10, 352,322.16 and 85,143.02 is: 127,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,934.10 : 352,322.16 = 85,143.02 : x
  2. Step 2: Convert to fraction form
    234,934.10/352,322.16 = 85,143.02/x
  3. Step 3: Cross multiply
    234,934.10x = 352,322.16 × 85,143.02
  4. Step 4: Simplify right side
    234,934.10x = 29,997,773,596.13
  5. Step 5: Solve for x
    x = 29,997,773,596.13/234,934.10
  6. Step 6: Final answer
    x = 127,685.91

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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.