Home / 234,348.12-323,400.60-126,918.36

Finding the Fourth Proportional to 234,348.12, 323,400.60 and 126,918.36

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Solution

The fourth proportional to 234,348.12, 323,400.60 and 126,918.36 is: 175,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,348.12 : 323,400.60 = 126,918.36 : x
  2. Step 2: Convert to fraction form
    234,348.12/323,400.60 = 126,918.36/x
  3. Step 3: Cross multiply
    234,348.12x = 323,400.60 × 126,918.36
  4. Step 4: Simplify right side
    234,348.12x = 41,045,473,775.02
  5. Step 5: Solve for x
    x = 41,045,473,775.02/234,348.12
  6. Step 6: Final answer
    x = 175,147.44

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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.