Home / 146,835.20-220,252.80-41,657.60

Finding the Fourth Proportional to 146,835.20, 220,252.80 and 41,657.60

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Solution

The fourth proportional to 146,835.20, 220,252.80 and 41,657.60 is: 62,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,835.20 : 220,252.80 = 41,657.60 : x
  2. Step 2: Convert to fraction form
    146,835.20/220,252.80 = 41,657.60/x
  3. Step 3: Cross multiply
    146,835.20x = 220,252.80 × 41,657.60
  4. Step 4: Simplify right side
    146,835.20x = 9,175,203,041.28
  5. Step 5: Solve for x
    x = 9,175,203,041.28/146,835.20
  6. Step 6: Final answer
    x = 62,486.40

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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.