Home / 151,845.23-209,572.11-88,219.94

Finding the Fourth Proportional to 151,845.23, 209,572.11 and 88,219.94

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Solution

The fourth proportional to 151,845.23, 209,572.11 and 88,219.94 is: 121,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,845.23 : 209,572.11 = 88,219.94 : x
  2. Step 2: Convert to fraction form
    151,845.23/209,572.11 = 88,219.94/x
  3. Step 3: Cross multiply
    151,845.23x = 209,572.11 × 88,219.94
  4. Step 4: Simplify right side
    151,845.23x = 18,488,437,922.01
  5. Step 5: Solve for x
    x = 18,488,437,922.01/151,845.23
  6. Step 6: Final answer
    x = 121,758.44

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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.