Home / 220,612.24-304,442.04-120,010.24

Finding the Fourth Proportional to 220,612.24, 304,442.04 and 120,010.24

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Solution

The fourth proportional to 220,612.24, 304,442.04 and 120,010.24 is: 165,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,612.24 : 304,442.04 = 120,010.24 : x
  2. Step 2: Convert to fraction form
    220,612.24/304,442.04 = 120,010.24/x
  3. Step 3: Cross multiply
    220,612.24x = 304,442.04 × 120,010.24
  4. Step 4: Simplify right side
    220,612.24x = 36,536,162,286.49
  5. Step 5: Solve for x
    x = 36,536,162,286.49/220,612.24
  6. Step 6: Final answer
    x = 165,612.58

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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.