Home / 268,196.60-402,521.70-110,538.20

Finding the Fourth Proportional to 268,196.60, 402,521.70 and 110,538.20

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Solution

The fourth proportional to 268,196.60, 402,521.70 and 110,538.20 is: 165,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,196.60 : 402,521.70 = 110,538.20 : x
  2. Step 2: Convert to fraction form
    268,196.60/402,521.70 = 110,538.20/x
  3. Step 3: Cross multiply
    268,196.60x = 402,521.70 × 110,538.20
  4. Step 4: Simplify right side
    268,196.60x = 44,494,024,178.94
  5. Step 5: Solve for x
    x = 44,494,024,178.94/268,196.60
  6. Step 6: Final answer
    x = 165,900.78

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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.