Home / 167,637.36-251,621.28-123,139.20

Finding the Fourth Proportional to 167,637.36, 251,621.28 and 123,139.20

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Solution

The fourth proportional to 167,637.36, 251,621.28 and 123,139.20 is: 184,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,637.36 : 251,621.28 = 123,139.20 : x
  2. Step 2: Convert to fraction form
    167,637.36/251,621.28 = 123,139.20/x
  3. Step 3: Cross multiply
    167,637.36x = 251,621.28 × 123,139.20
  4. Step 4: Simplify right side
    167,637.36x = 30,984,443,122.18
  5. Step 5: Solve for x
    x = 30,984,443,122.18/167,637.36
  6. Step 6: Final answer
    x = 184,830.18

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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.