Home / 145,845.60-218,638.80-95,949.60

Finding the Fourth Proportional to 145,845.60, 218,638.80 and 95,949.60

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Solution

The fourth proportional to 145,845.60, 218,638.80 and 95,949.60 is: 143,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.60 : 218,638.80 = 95,949.60 : x
  2. Step 2: Convert to fraction form
    145,845.60/218,638.80 = 95,949.60/x
  3. Step 3: Cross multiply
    145,845.60x = 218,638.80 × 95,949.60
  4. Step 4: Simplify right side
    145,845.60x = 20,978,305,404.48
  5. Step 5: Solve for x
    x = 20,978,305,404.48/145,845.60
  6. Step 6: Final answer
    x = 143,839.14

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1.5x scale

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.