Home / 140,452.80-193,841.88-79,210.65

Finding the Fourth Proportional to 140,452.80, 193,841.88 and 79,210.65

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Solution

The fourth proportional to 140,452.80, 193,841.88 and 79,210.65 is: 109,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,452.80 : 193,841.88 = 79,210.65 : x
  2. Step 2: Convert to fraction form
    140,452.80/193,841.88 = 79,210.65/x
  3. Step 3: Cross multiply
    140,452.80x = 193,841.88 × 79,210.65
  4. Step 4: Simplify right side
    140,452.80x = 15,354,341,312.02
  5. Step 5: Solve for x
    x = 15,354,341,312.02/140,452.80
  6. Step 6: Final answer
    x = 109,320.29

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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.