Home / 230,566.19-345,881.64-80,772.18

Finding the Fourth Proportional to 230,566.19, 345,881.64 and 80,772.18

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Solution

The fourth proportional to 230,566.19, 345,881.64 and 80,772.18 is: 121,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,566.19 : 345,881.64 = 80,772.18 : x
  2. Step 2: Convert to fraction form
    230,566.19/345,881.64 = 80,772.18/x
  3. Step 3: Cross multiply
    230,566.19x = 345,881.64 × 80,772.18
  4. Step 4: Simplify right side
    230,566.19x = 27,937,614,084.78
  5. Step 5: Solve for x
    x = 27,937,614,084.78/230,566.19
  6. Step 6: Final answer
    x = 121,169.61

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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.