Home / 114,765.18-158,209.04-80,202.61

Finding the Fourth Proportional to 114,765.18, 158,209.04 and 80,202.61

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Solution

The fourth proportional to 114,765.18, 158,209.04 and 80,202.61 is: 110,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.18 : 158,209.04 = 80,202.61 : x
  2. Step 2: Convert to fraction form
    114,765.18/158,209.04 = 80,202.61/x
  3. Step 3: Cross multiply
    114,765.18x = 158,209.04 × 80,202.61
  4. Step 4: Simplify right side
    114,765.18x = 12,688,776,878.01
  5. Step 5: Solve for x
    x = 12,688,776,878.01/114,765.18
  6. Step 6: Final answer
    x = 110,562.95

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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.