Home / 151,049.20-226,314.60-98,431.60

Finding the Fourth Proportional to 151,049.20, 226,314.60 and 98,431.60

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Solution

The fourth proportional to 151,049.20, 226,314.60 and 98,431.60 is: 147,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,049.20 : 226,314.60 = 98,431.60 : x
  2. Step 2: Convert to fraction form
    151,049.20/226,314.60 = 98,431.60/x
  3. Step 3: Cross multiply
    151,049.20x = 226,314.60 × 98,431.60
  4. Step 4: Simplify right side
    151,049.20x = 22,276,508,181.36
  5. Step 5: Solve for x
    x = 22,276,508,181.36/151,049.20
  6. Step 6: Final answer
    x = 147,478.49

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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.