Home / 234,231.10-323,236.22-126,798.78

Finding the Fourth Proportional to 234,231.10, 323,236.22 and 126,798.78

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Solution

The fourth proportional to 234,231.10, 323,236.22 and 126,798.78 is: 174,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,231.10 : 323,236.22 = 126,798.78 : x
  2. Step 2: Convert to fraction form
    234,231.10/323,236.22 = 126,798.78/x
  3. Step 3: Cross multiply
    234,231.10x = 323,236.22 × 126,798.78
  4. Step 4: Simplify right side
    234,231.10x = 40,985,958,347.81
  5. Step 5: Solve for x
    x = 40,985,958,347.81/234,231.10
  6. Step 6: Final answer
    x = 174,980.86

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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.