Home / 146,923.10-220,854.45-136,522.70

Finding the Fourth Proportional to 146,923.10, 220,854.45 and 136,522.70

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Solution

The fourth proportional to 146,923.10, 220,854.45 and 136,522.70 is: 205,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,923.10 : 220,854.45 = 136,522.70 : x
  2. Step 2: Convert to fraction form
    146,923.10/220,854.45 = 136,522.70/x
  3. Step 3: Cross multiply
    146,923.10x = 220,854.45 × 136,522.70
  4. Step 4: Simplify right side
    146,923.10x = 30,151,645,821.02
  5. Step 5: Solve for x
    x = 30,151,645,821.02/146,923.10
  6. Step 6: Final answer
    x = 205,220.59

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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.