Home / 234,255.12-323,272.20-126,825.18

Finding the Fourth Proportional to 234,255.12, 323,272.20 and 126,825.18

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Solution

The fourth proportional to 234,255.12, 323,272.20 and 126,825.18 is: 175,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,255.12 : 323,272.20 = 126,825.18 : x
  2. Step 2: Convert to fraction form
    234,255.12/323,272.20 = 126,825.18/x
  3. Step 3: Cross multiply
    234,255.12x = 323,272.20 × 126,825.18
  4. Step 4: Simplify right side
    234,255.12x = 40,999,054,954.00
  5. Step 5: Solve for x
    x = 40,999,054,954.00/234,255.12
  6. Step 6: Final answer
    x = 175,018.82

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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.