Home / 288,923.63-398,716.16-161,599.19

Finding the Fourth Proportional to 288,923.63, 398,716.16 and 161,599.19

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Solution

The fourth proportional to 288,923.63, 398,716.16 and 161,599.19 is: 223,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,923.63 : 398,716.16 = 161,599.19 : x
  2. Step 2: Convert to fraction form
    288,923.63/398,716.16 = 161,599.19/x
  3. Step 3: Cross multiply
    288,923.63x = 398,716.16 × 161,599.19
  4. Step 4: Simplify right side
    288,923.63x = 64,432,205,694.33
  5. Step 5: Solve for x
    x = 64,432,205,694.33/288,923.63
  6. Step 6: Final answer
    x = 223,007.74

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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.