Home / 228,617.90-343,148.19-110,372.21

Finding the Fourth Proportional to 228,617.90, 343,148.19 and 110,372.21

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Solution

The fourth proportional to 228,617.90, 343,148.19 and 110,372.21 is: 165,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,617.90 : 343,148.19 = 110,372.21 : x
  2. Step 2: Convert to fraction form
    228,617.90/343,148.19 = 110,372.21/x
  3. Step 3: Cross multiply
    228,617.90x = 343,148.19 × 110,372.21
  4. Step 4: Simplify right side
    228,617.90x = 37,874,023,535.94
  5. Step 5: Solve for x
    x = 37,874,023,535.94/228,617.90
  6. Step 6: Final answer
    x = 165,665.17

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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.