Home / 153,965.60-230,905.20-48,816.80

Finding the Fourth Proportional to 153,965.60, 230,905.20 and 48,816.80

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Solution

The fourth proportional to 153,965.60, 230,905.20 and 48,816.80 is: 73,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,965.60 : 230,905.20 = 48,816.80 : x
  2. Step 2: Convert to fraction form
    153,965.60/230,905.20 = 48,816.80/x
  3. Step 3: Cross multiply
    153,965.60x = 230,905.20 × 48,816.80
  4. Step 4: Simplify right side
    153,965.60x = 11,272,052,967.36
  5. Step 5: Solve for x
    x = 11,272,052,967.36/153,965.60
  6. Step 6: Final answer
    x = 73,211.50

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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.