Home / 121,375.32-182,072.70-92,953.24

Finding the Fourth Proportional to 121,375.32, 182,072.70 and 92,953.24

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Solution

The fourth proportional to 121,375.32, 182,072.70 and 92,953.24 is: 139,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,375.32 : 182,072.70 = 92,953.24 : x
  2. Step 2: Convert to fraction form
    121,375.32/182,072.70 = 92,953.24/x
  3. Step 3: Cross multiply
    121,375.32x = 182,072.70 × 92,953.24
  4. Step 4: Simplify right side
    121,375.32x = 16,924,247,380.55
  5. Step 5: Solve for x
    x = 16,924,247,380.55/121,375.32
  6. Step 6: Final answer
    x = 139,437.30

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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.