Home / 151,747.60-227,621.40-81,763.60

Finding the Fourth Proportional to 151,747.60, 227,621.40 and 81,763.60

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Solution

The fourth proportional to 151,747.60, 227,621.40 and 81,763.60 is: 122,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.60 : 227,621.40 = 81,763.60 : x
  2. Step 2: Convert to fraction form
    151,747.60/227,621.40 = 81,763.60/x
  3. Step 3: Cross multiply
    151,747.60x = 227,621.40 × 81,763.60
  4. Step 4: Simplify right side
    151,747.60x = 18,611,145,101.04
  5. Step 5: Solve for x
    x = 18,611,145,101.04/151,747.60
  6. Step 6: Final answer
    x = 122,645.40

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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.