Home / 267,715.12-401,586.00-87,818.68

Finding the Fourth Proportional to 267,715.12, 401,586.00 and 87,818.68

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Solution

The fourth proportional to 267,715.12, 401,586.00 and 87,818.68 is: 131,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,715.12 : 401,586.00 = 87,818.68 : x
  2. Step 2: Convert to fraction form
    267,715.12/401,586.00 = 87,818.68/x
  3. Step 3: Cross multiply
    267,715.12x = 401,586.00 × 87,818.68
  4. Step 4: Simplify right side
    267,715.12x = 35,266,749,979.46
  5. Step 5: Solve for x
    x = 35,266,749,979.46/267,715.12
  6. Step 6: Final answer
    x = 131,732.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.