Home / 234,170.90-323,158.20-126,743.23

Finding the Fourth Proportional to 234,170.90, 323,158.20 and 126,743.23

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Solution

The fourth proportional to 234,170.90, 323,158.20 and 126,743.23 is: 174,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,170.90 : 323,158.20 = 126,743.23 : x
  2. Step 2: Convert to fraction form
    234,170.90/323,158.20 = 126,743.23/x
  3. Step 3: Cross multiply
    234,170.90x = 323,158.20 × 126,743.23
  4. Step 4: Simplify right side
    234,170.90x = 40,958,114,068.99
  5. Step 5: Solve for x
    x = 40,958,114,068.99/234,170.90
  6. Step 6: Final answer
    x = 174,906.93

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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.