Home / 140,325.13-193,591.33-103,619.29

Finding the Fourth Proportional to 140,325.13, 193,591.33 and 103,619.29

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Solution

The fourth proportional to 140,325.13, 193,591.33 and 103,619.29 is: 142,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,325.13 : 193,591.33 = 103,619.29 : x
  2. Step 2: Convert to fraction form
    140,325.13/193,591.33 = 103,619.29/x
  3. Step 3: Cross multiply
    140,325.13x = 193,591.33 × 103,619.29
  4. Step 4: Simplify right side
    140,325.13x = 20,059,796,164.76
  5. Step 5: Solve for x
    x = 20,059,796,164.76/140,325.13
  6. Step 6: Final answer
    x = 142,952.27

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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.