Home / 178,968.40-268,446.42-45,849.98

Finding the Fourth Proportional to 178,968.40, 268,446.42 and 45,849.98

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Solution

The fourth proportional to 178,968.40, 268,446.42 and 45,849.98 is: 68,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,968.40 : 268,446.42 = 45,849.98 : x
  2. Step 2: Convert to fraction form
    178,968.40/268,446.42 = 45,849.98/x
  3. Step 3: Cross multiply
    178,968.40x = 268,446.42 × 45,849.98
  4. Step 4: Simplify right side
    178,968.40x = 12,308,262,988.07
  5. Step 5: Solve for x
    x = 12,308,262,988.07/178,968.40
  6. Step 6: Final answer
    x = 68,773.39

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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.