Home / 167,919.40-251,936.70-74,492.20

Finding the Fourth Proportional to 167,919.40, 251,936.70 and 74,492.20

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Solution

The fourth proportional to 167,919.40, 251,936.70 and 74,492.20 is: 111,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,919.40 : 251,936.70 = 74,492.20 : x
  2. Step 2: Convert to fraction form
    167,919.40/251,936.70 = 74,492.20/x
  3. Step 3: Cross multiply
    167,919.40x = 251,936.70 × 74,492.20
  4. Step 4: Simplify right side
    167,919.40x = 18,767,319,043.74
  5. Step 5: Solve for x
    x = 18,767,319,043.74/167,919.40
  6. Step 6: Final answer
    x = 111,763.85

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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.