Home / 265,542.19-398,497.25-105,601.75

Finding the Fourth Proportional to 265,542.19, 398,497.25 and 105,601.75

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Solution

The fourth proportional to 265,542.19, 398,497.25 and 105,601.75 is: 158,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,542.19 : 398,497.25 = 105,601.75 : x
  2. Step 2: Convert to fraction form
    265,542.19/398,497.25 = 105,601.75/x
  3. Step 3: Cross multiply
    265,542.19x = 398,497.25 × 105,601.75
  4. Step 4: Simplify right side
    265,542.19x = 42,082,006,237.95
  5. Step 5: Solve for x
    x = 42,082,006,237.95/265,542.19
  6. Step 6: Final answer
    x = 158,475.78

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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.