Home / 227,231.16-340,855.35-85,061.47

Finding the Fourth Proportional to 227,231.16, 340,855.35 and 85,061.47

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Solution

The fourth proportional to 227,231.16, 340,855.35 and 85,061.47 is: 127,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,231.16 : 340,855.35 = 85,061.47 : x
  2. Step 2: Convert to fraction form
    227,231.16/340,855.35 = 85,061.47/x
  3. Step 3: Cross multiply
    227,231.16x = 340,855.35 × 85,061.47
  4. Step 4: Simplify right side
    227,231.16x = 28,993,656,595.21
  5. Step 5: Solve for x
    x = 28,993,656,595.21/227,231.16
  6. Step 6: Final answer
    x = 127,595.43

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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.