Home / 166,077.71-248,963.27-66,213.75

Finding the Fourth Proportional to 166,077.71, 248,963.27 and 66,213.75

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Solution

The fourth proportional to 166,077.71, 248,963.27 and 66,213.75 is: 99,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,077.71 : 248,963.27 = 66,213.75 : x
  2. Step 2: Convert to fraction form
    166,077.71/248,963.27 = 66,213.75/x
  3. Step 3: Cross multiply
    166,077.71x = 248,963.27 × 66,213.75
  4. Step 4: Simplify right side
    166,077.71x = 16,484,791,387.89
  5. Step 5: Solve for x
    x = 16,484,791,387.89/166,077.71
  6. Step 6: Final answer
    x = 99,259.51

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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.