Home / 262,281.24-393,611.40-104,418.72

Finding the Fourth Proportional to 262,281.24, 393,611.40 and 104,418.72

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Solution

The fourth proportional to 262,281.24, 393,611.40 and 104,418.72 is: 156,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,281.24 : 393,611.40 = 104,418.72 : x
  2. Step 2: Convert to fraction form
    262,281.24/393,611.40 = 104,418.72/x
  3. Step 3: Cross multiply
    262,281.24x = 393,611.40 × 104,418.72
  4. Step 4: Simplify right side
    262,281.24x = 41,100,398,565.41
  5. Step 5: Solve for x
    x = 41,100,398,565.41/262,281.24
  6. Step 6: Final answer
    x = 156,703.54

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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.