Home / 179,789.95-269,505.10-90,774.19

Finding the Fourth Proportional to 179,789.95, 269,505.10 and 90,774.19

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Solution

The fourth proportional to 179,789.95, 269,505.10 and 90,774.19 is: 136,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,789.95 : 269,505.10 = 90,774.19 : x
  2. Step 2: Convert to fraction form
    179,789.95/269,505.10 = 90,774.19/x
  3. Step 3: Cross multiply
    179,789.95x = 269,505.10 × 90,774.19
  4. Step 4: Simplify right side
    179,789.95x = 24,464,107,153.37
  5. Step 5: Solve for x
    x = 24,464,107,153.37/179,789.95
  6. Step 6: Final answer
    x = 136,070.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.