Home / 140,354.04-193,661.82-83,770.68

Finding the Fourth Proportional to 140,354.04, 193,661.82 and 83,770.68

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Solution

The fourth proportional to 140,354.04, 193,661.82 and 83,770.68 is: 115,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,354.04 : 193,661.82 = 83,770.68 : x
  2. Step 2: Convert to fraction form
    140,354.04/193,661.82 = 83,770.68/x
  3. Step 3: Cross multiply
    140,354.04x = 193,661.82 × 83,770.68
  4. Step 4: Simplify right side
    140,354.04x = 16,223,182,351.44
  5. Step 5: Solve for x
    x = 16,223,182,351.44/140,354.04
  6. Step 6: Final answer
    x = 115,587.57

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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.