Home / 131,987.46-182,099.82-74,621.22

Finding the Fourth Proportional to 131,987.46, 182,099.82 and 74,621.22

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Solution

The fourth proportional to 131,987.46, 182,099.82 and 74,621.22 is: 102,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,987.46 : 182,099.82 = 74,621.22 : x
  2. Step 2: Convert to fraction form
    131,987.46/182,099.82 = 74,621.22/x
  3. Step 3: Cross multiply
    131,987.46x = 182,099.82 × 74,621.22
  4. Step 4: Simplify right side
    131,987.46x = 13,588,510,730.18
  5. Step 5: Solve for x
    x = 13,588,510,730.18/131,987.46
  6. Step 6: Final answer
    x = 102,953.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.