Home / 140,473.62-193,837.73-83,114.69

Finding the Fourth Proportional to 140,473.62, 193,837.73 and 83,114.69

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Solution

The fourth proportional to 140,473.62, 193,837.73 and 83,114.69 is: 114,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,473.62 : 193,837.73 = 83,114.69 : x
  2. Step 2: Convert to fraction form
    140,473.62/193,837.73 = 83,114.69/x
  3. Step 3: Cross multiply
    140,473.62x = 193,837.73 × 83,114.69
  4. Step 4: Simplify right side
    140,473.62x = 16,110,761,454.49
  5. Step 5: Solve for x
    x = 16,110,761,454.49/140,473.62
  6. Step 6: Final answer
    x = 114,688.88

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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.