Home / 222,004.08-306,484.20-149,510.88

Finding the Fourth Proportional to 222,004.08, 306,484.20 and 149,510.88

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Solution

The fourth proportional to 222,004.08, 306,484.20 and 149,510.88 is: 206,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,004.08 : 306,484.20 = 149,510.88 : x
  2. Step 2: Convert to fraction form
    222,004.08/306,484.20 = 149,510.88/x
  3. Step 3: Cross multiply
    222,004.08x = 306,484.20 × 149,510.88
  4. Step 4: Simplify right side
    222,004.08x = 45,822,722,448.10
  5. Step 5: Solve for x
    x = 45,822,722,448.10/222,004.08
  6. Step 6: Final answer
    x = 206,404.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.