Home / 288,557.14-398,208.02-161,232.84

Finding the Fourth Proportional to 288,557.14, 398,208.02 and 161,232.84

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Solution

The fourth proportional to 288,557.14, 398,208.02 and 161,232.84 is: 222,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,557.14 : 398,208.02 = 161,232.84 : x
  2. Step 2: Convert to fraction form
    288,557.14/398,208.02 = 161,232.84/x
  3. Step 3: Cross multiply
    288,557.14x = 398,208.02 × 161,232.84
  4. Step 4: Simplify right side
    288,557.14x = 64,204,209,975.38
  5. Step 5: Solve for x
    x = 64,204,209,975.38/288,557.14
  6. Step 6: Final answer
    x = 222,500.85

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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.