Home / 161,145.70-222,385.03-88,548.00

Finding the Fourth Proportional to 161,145.70, 222,385.03 and 88,548.00

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Solution

The fourth proportional to 161,145.70, 222,385.03 and 88,548.00 is: 122,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,145.70 : 222,385.03 = 88,548.00 : x
  2. Step 2: Convert to fraction form
    161,145.70/222,385.03 = 88,548.00/x
  3. Step 3: Cross multiply
    161,145.70x = 222,385.03 × 88,548.00
  4. Step 4: Simplify right side
    161,145.70x = 19,691,749,832.04
  5. Step 5: Solve for x
    x = 19,691,749,832.04/161,145.70
  6. Step 6: Final answer
    x = 122,198.42

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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.