Home / 161,028.91-222,220.83-88,434.91

Finding the Fourth Proportional to 161,028.91, 222,220.83 and 88,434.91

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Solution

The fourth proportional to 161,028.91, 222,220.83 and 88,434.91 is: 122,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028.91 : 222,220.83 = 88,434.91 : x
  2. Step 2: Convert to fraction form
    161,028.91/222,220.83 = 88,434.91/x
  3. Step 3: Cross multiply
    161,028.91x = 222,220.83 × 88,434.91
  4. Step 4: Simplify right side
    161,028.91x = 19,652,079,101.18
  5. Step 5: Solve for x
    x = 19,652,079,101.18/161,028.91
  6. Step 6: Final answer
    x = 122,040.69

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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.