Home / 151,183.20-226,826.04-66,931.74

Finding the Fourth Proportional to 151,183.20, 226,826.04 and 66,931.74

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Solution

The fourth proportional to 151,183.20, 226,826.04 and 66,931.74 is: 100,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,183.20 : 226,826.04 = 66,931.74 : x
  2. Step 2: Convert to fraction form
    151,183.20/226,826.04 = 66,931.74/x
  3. Step 3: Cross multiply
    151,183.20x = 226,826.04 × 66,931.74
  4. Step 4: Simplify right side
    151,183.20x = 15,181,861,534.51
  5. Step 5: Solve for x
    x = 15,181,861,534.51/151,183.20
  6. Step 6: Final answer
    x = 100,420.29

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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.