Home / 234,645.12-323,809.25-127,214.82

Finding the Fourth Proportional to 234,645.12, 323,809.25 and 127,214.82

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Solution

The fourth proportional to 234,645.12, 323,809.25 and 127,214.82 is: 175,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,645.12 : 323,809.25 = 127,214.82 : x
  2. Step 2: Convert to fraction form
    234,645.12/323,809.25 = 127,214.82/x
  3. Step 3: Cross multiply
    234,645.12x = 323,809.25 × 127,214.82
  4. Step 4: Simplify right side
    234,645.12x = 41,193,334,817.01
  5. Step 5: Solve for x
    x = 41,193,334,817.01/234,645.12
  6. Step 6: Final answer
    x = 175,555.90

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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.