Home / 199,612.32-275,520.60-114,756.72

Finding the Fourth Proportional to 199,612.32, 275,520.60 and 114,756.72

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Solution

The fourth proportional to 199,612.32, 275,520.60 and 114,756.72 is: 158,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,612.32 : 275,520.60 = 114,756.72 : x
  2. Step 2: Convert to fraction form
    199,612.32/275,520.60 = 114,756.72/x
  3. Step 3: Cross multiply
    199,612.32x = 275,520.60 × 114,756.72
  4. Step 4: Simplify right side
    199,612.32x = 31,617,840,348.43
  5. Step 5: Solve for x
    x = 31,617,840,348.43/199,612.32
  6. Step 6: Final answer
    x = 158,396.24

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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.