Home / 262,293.72-361,989.18-149,116.20

Finding the Fourth Proportional to 262,293.72, 361,989.18 and 149,116.20

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Solution

The fourth proportional to 262,293.72, 361,989.18 and 149,116.20 is: 205,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,293.72 : 361,989.18 = 149,116.20 : x
  2. Step 2: Convert to fraction form
    262,293.72/361,989.18 = 149,116.20/x
  3. Step 3: Cross multiply
    262,293.72x = 361,989.18 × 149,116.20
  4. Step 4: Simplify right side
    262,293.72x = 53,978,450,962.72
  5. Step 5: Solve for x
    x = 53,978,450,962.72/262,293.72
  6. Step 6: Final answer
    x = 205,793.91

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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.