Home / 231,555.33-347,329.20-73,781.64

Finding the Fourth Proportional to 231,555.33, 347,329.20 and 73,781.64

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Solution

The fourth proportional to 231,555.33, 347,329.20 and 73,781.64 is: 110,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,555.33 : 347,329.20 = 73,781.64 : x
  2. Step 2: Convert to fraction form
    231,555.33/347,329.20 = 73,781.64/x
  3. Step 3: Cross multiply
    231,555.33x = 347,329.20 × 73,781.64
  4. Step 4: Simplify right side
    231,555.33x = 25,626,517,995.89
  5. Step 5: Solve for x
    x = 25,626,517,995.89/231,555.33
  6. Step 6: Final answer
    x = 110,671.25

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1.5x scale

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.