Home / 140,207.14-193,479.10-79,772.14

Finding the Fourth Proportional to 140,207.14, 193,479.10 and 79,772.14

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Solution

The fourth proportional to 140,207.14, 193,479.10 and 79,772.14 is: 110,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.14 : 193,479.10 = 79,772.14 : x
  2. Step 2: Convert to fraction form
    140,207.14/193,479.10 = 79,772.14/x
  3. Step 3: Cross multiply
    140,207.14x = 193,479.10 × 79,772.14
  4. Step 4: Simplify right side
    140,207.14x = 15,434,241,852.27
  5. Step 5: Solve for x
    x = 15,434,241,852.27/140,207.14
  6. Step 6: Final answer
    x = 110,081.71

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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.