Home / 234,189.56-323,181.02-126,758.72

Finding the Fourth Proportional to 234,189.56, 323,181.02 and 126,758.72

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Solution

The fourth proportional to 234,189.56, 323,181.02 and 126,758.72 is: 174,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,189.56 : 323,181.02 = 126,758.72 : x
  2. Step 2: Convert to fraction form
    234,189.56/323,181.02 = 126,758.72/x
  3. Step 3: Cross multiply
    234,189.56x = 323,181.02 × 126,758.72
  4. Step 4: Simplify right side
    234,189.56x = 40,966,012,423.49
  5. Step 5: Solve for x
    x = 40,966,012,423.49/234,189.56
  6. Step 6: Final answer
    x = 174,926.72

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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.