Home / 285,424.20-427,844.70-167,034.60

Finding the Fourth Proportional to 285,424.20, 427,844.70 and 167,034.60

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Solution

The fourth proportional to 285,424.20, 427,844.70 and 167,034.60 is: 250,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,424.20 : 427,844.70 = 167,034.60 : x
  2. Step 2: Convert to fraction form
    285,424.20/427,844.70 = 167,034.60/x
  3. Step 3: Cross multiply
    285,424.20x = 427,844.70 × 167,034.60
  4. Step 4: Simplify right side
    285,424.20x = 71,464,868,326.62
  5. Step 5: Solve for x
    x = 71,464,868,326.62/285,424.20
  6. Step 6: Final answer
    x = 250,381.25

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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.