Home / 202,272.23-303,320.10-107,479.55

Finding the Fourth Proportional to 202,272.23, 303,320.10 and 107,479.55

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Solution

The fourth proportional to 202,272.23, 303,320.10 and 107,479.55 is: 161,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,272.23 : 303,320.10 = 107,479.55 : x
  2. Step 2: Convert to fraction form
    202,272.23/303,320.10 = 107,479.55/x
  3. Step 3: Cross multiply
    202,272.23x = 303,320.10 × 107,479.55
  4. Step 4: Simplify right side
    202,272.23x = 32,600,707,853.96
  5. Step 5: Solve for x
    x = 32,600,707,853.96/202,272.23
  6. Step 6: Final answer
    x = 161,172.44

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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.