Home / 146,922.60-220,853.70-136,522.20

Finding the Fourth Proportional to 146,922.60, 220,853.70 and 136,522.20

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Solution

The fourth proportional to 146,922.60, 220,853.70 and 136,522.20 is: 205,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,922.60 : 220,853.70 = 136,522.20 : x
  2. Step 2: Convert to fraction form
    146,922.60/220,853.70 = 136,522.20/x
  3. Step 3: Cross multiply
    146,922.60x = 220,853.70 × 136,522.20
  4. Step 4: Simplify right side
    146,922.60x = 30,151,433,002.14
  5. Step 5: Solve for x
    x = 30,151,433,002.14/146,922.60
  6. Step 6: Final answer
    x = 205,219.84

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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.