Home / 160,612.20-221,644.62-88,996.86

Finding the Fourth Proportional to 160,612.20, 221,644.62 and 88,996.86

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Solution

The fourth proportional to 160,612.20, 221,644.62 and 88,996.86 is: 122,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,612.20 : 221,644.62 = 88,996.86 : x
  2. Step 2: Convert to fraction form
    160,612.20/221,644.62 = 88,996.86/x
  3. Step 3: Cross multiply
    160,612.20x = 221,644.62 × 88,996.86
  4. Step 4: Simplify right side
    160,612.20x = 19,725,675,215.89
  5. Step 5: Solve for x
    x = 19,725,675,215.89/160,612.20
  6. Step 6: Final answer
    x = 122,815.55

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1.5x scale

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.