Home / 239,895.42-359,843.06-71,418.20

Finding the Fourth Proportional to 239,895.42, 359,843.06 and 71,418.20

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Solution

The fourth proportional to 239,895.42, 359,843.06 and 71,418.20 is: 107,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,895.42 : 359,843.06 = 71,418.20 : x
  2. Step 2: Convert to fraction form
    239,895.42/359,843.06 = 71,418.20/x
  3. Step 3: Cross multiply
    239,895.42x = 359,843.06 × 71,418.20
  4. Step 4: Simplify right side
    239,895.42x = 25,699,343,627.69
  5. Step 5: Solve for x
    x = 25,699,343,627.69/239,895.42
  6. Step 6: Final answer
    x = 107,127.28

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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.