Home / 288,826.39-398,589.50-161,501.65

Finding the Fourth Proportional to 288,826.39, 398,589.50 and 161,501.65

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Solution

The fourth proportional to 288,826.39, 398,589.50 and 161,501.65 is: 222,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,826.39 : 398,589.50 = 161,501.65 : x
  2. Step 2: Convert to fraction form
    288,826.39/398,589.50 = 161,501.65/x
  3. Step 3: Cross multiply
    288,826.39x = 398,589.50 × 161,501.65
  4. Step 4: Simplify right side
    288,826.39x = 64,372,861,922.68
  5. Step 5: Solve for x
    x = 64,372,861,922.68/288,826.39
  6. Step 6: Final answer
    x = 222,877.36

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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.