Home / 203,589.73-305,386.95-61,436.24

Finding the Fourth Proportional to 203,589.73, 305,386.95 and 61,436.24

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Solution

The fourth proportional to 203,589.73, 305,386.95 and 61,436.24 is: 92,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,589.73 : 305,386.95 = 61,436.24 : x
  2. Step 2: Convert to fraction form
    203,589.73/305,386.95 = 61,436.24/x
  3. Step 3: Cross multiply
    203,589.73x = 305,386.95 × 61,436.24
  4. Step 4: Simplify right side
    203,589.73x = 18,761,826,144.78
  5. Step 5: Solve for x
    x = 18,761,826,144.78/203,589.73
  6. Step 6: Final answer
    x = 92,155.07

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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.