Home / 288,927.23-398,697.92-161,578.22

Finding the Fourth Proportional to 288,927.23, 398,697.92 and 161,578.22

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Solution

The fourth proportional to 288,927.23, 398,697.92 and 161,578.22 is: 222,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,927.23 : 398,697.92 = 161,578.22 : x
  2. Step 2: Convert to fraction form
    288,927.23/398,697.92 = 161,578.22/x
  3. Step 3: Cross multiply
    288,927.23x = 398,697.92 × 161,578.22
  4. Step 4: Simplify right side
    288,927.23x = 64,420,897,429.92
  5. Step 5: Solve for x
    x = 64,420,897,429.92/288,927.23
  6. Step 6: Final answer
    x = 222,965.83

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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.