Home / 103,651.46-143,046.27-58,333.80

Finding the Fourth Proportional to 103,651.46, 143,046.27 and 58,333.80

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Solution

The fourth proportional to 103,651.46, 143,046.27 and 58,333.80 is: 80,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.46 : 143,046.27 = 58,333.80 : x
  2. Step 2: Convert to fraction form
    103,651.46/143,046.27 = 58,333.80/x
  3. Step 3: Cross multiply
    103,651.46x = 143,046.27 × 58,333.80
  4. Step 4: Simplify right side
    103,651.46x = 8,344,432,504.93
  5. Step 5: Solve for x
    x = 8,344,432,504.93/103,651.46
  6. Step 6: Final answer
    x = 80,504.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.