Home / 236,008.80-353,882-78,151.16

Finding the Fourth Proportional to 236,008.80, 353,882 and 78,151.16

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Solution

The fourth proportional to 236,008.80, 353,882 and 78,151.16 is: 117,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,008.80 : 353,882 = 78,151.16 : x
  2. Step 2: Convert to fraction form
    236,008.80/353,882 = 78,151.16/x
  3. Step 3: Cross multiply
    236,008.80x = 353,882 × 78,151.16
  4. Step 4: Simplify right side
    236,008.80x = 27,656,288,803.12
  5. Step 5: Solve for x
    x = 27,656,288,803.12/236,008.80
  6. Step 6: Final answer
    x = 117,183.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.