Home / 146,995.20-220,521.60-62,755.20

Finding the Fourth Proportional to 146,995.20, 220,521.60 and 62,755.20

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Solution

The fourth proportional to 146,995.20, 220,521.60 and 62,755.20 is: 94,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,995.20 : 220,521.60 = 62,755.20 : x
  2. Step 2: Convert to fraction form
    146,995.20/220,521.60 = 62,755.20/x
  3. Step 3: Cross multiply
    146,995.20x = 220,521.60 × 62,755.20
  4. Step 4: Simplify right side
    146,995.20x = 13,838,877,112.32
  5. Step 5: Solve for x
    x = 13,838,877,112.32/146,995.20
  6. Step 6: Final answer
    x = 94,145.10

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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.