Home / 212,100.46-292,691.10-116,606.50

Finding the Fourth Proportional to 212,100.46, 292,691.10 and 116,606.50

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Solution

The fourth proportional to 212,100.46, 292,691.10 and 116,606.50 is: 160,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,100.46 : 292,691.10 = 116,606.50 : x
  2. Step 2: Convert to fraction form
    212,100.46/292,691.10 = 116,606.50/x
  3. Step 3: Cross multiply
    212,100.46x = 292,691.10 × 116,606.50
  4. Step 4: Simplify right side
    212,100.46x = 34,129,684,752.15
  5. Step 5: Solve for x
    x = 34,129,684,752.15/212,100.46
  6. Step 6: Final answer
    x = 160,912.83

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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.