Home / 262,158.12-361,792.98-198,385.20

Finding the Fourth Proportional to 262,158.12, 361,792.98 and 198,385.20

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Solution

The fourth proportional to 262,158.12, 361,792.98 and 198,385.20 is: 273,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,158.12 : 361,792.98 = 198,385.20 : x
  2. Step 2: Convert to fraction form
    262,158.12/361,792.98 = 198,385.20/x
  3. Step 3: Cross multiply
    262,158.12x = 361,792.98 × 198,385.20
  4. Step 4: Simplify right side
    262,158.12x = 71,774,372,695.90
  5. Step 5: Solve for x
    x = 71,774,372,695.90/262,158.12
  6. Step 6: Final answer
    x = 273,782.76

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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.