Home / 167,426.10-251,139.15-74,114.10

Finding the Fourth Proportional to 167,426.10, 251,139.15 and 74,114.10

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Solution

The fourth proportional to 167,426.10, 251,139.15 and 74,114.10 is: 111,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,426.10 : 251,139.15 = 74,114.10 : x
  2. Step 2: Convert to fraction form
    167,426.10/251,139.15 = 74,114.10/x
  3. Step 3: Cross multiply
    167,426.10x = 251,139.15 × 74,114.10
  4. Step 4: Simplify right side
    167,426.10x = 18,612,952,077.02
  5. Step 5: Solve for x
    x = 18,612,952,077.02/167,426.10
  6. Step 6: Final answer
    x = 111,171.15

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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.