Home / 161,045.20-222,247.97-89,426.42

Finding the Fourth Proportional to 161,045.20, 222,247.97 and 89,426.42

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Solution

The fourth proportional to 161,045.20, 222,247.97 and 89,426.42 is: 123,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045.20 : 222,247.97 = 89,426.42 : x
  2. Step 2: Convert to fraction form
    161,045.20/222,247.97 = 89,426.42/x
  3. Step 3: Cross multiply
    161,045.20x = 222,247.97 × 89,426.42
  4. Step 4: Simplify right side
    161,045.20x = 19,874,839,862.24
  5. Step 5: Solve for x
    x = 19,874,839,862.24/161,045.20
  6. Step 6: Final answer
    x = 123,411.56

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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.