Home / 263,601.90-395,454.49-86,061.24

Finding the Fourth Proportional to 263,601.90, 395,454.49 and 86,061.24

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Solution

The fourth proportional to 263,601.90, 395,454.49 and 86,061.24 is: 129,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,601.90 : 395,454.49 = 86,061.24 : x
  2. Step 2: Convert to fraction form
    263,601.90/395,454.49 = 86,061.24/x
  3. Step 3: Cross multiply
    263,601.90x = 395,454.49 × 86,061.24
  4. Step 4: Simplify right side
    263,601.90x = 34,033,303,557.81
  5. Step 5: Solve for x
    x = 34,033,303,557.81/263,601.90
  6. Step 6: Final answer
    x = 129,108.72

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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.