Home / 178,756.17-268,134.02-45,636.42

Finding the Fourth Proportional to 178,756.17, 268,134.02 and 45,636.42

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Solution

The fourth proportional to 178,756.17, 268,134.02 and 45,636.42 is: 68,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,756.17 : 268,134.02 = 45,636.42 : x
  2. Step 2: Convert to fraction form
    178,756.17/268,134.02 = 45,636.42/x
  3. Step 3: Cross multiply
    178,756.17x = 268,134.02 × 45,636.42
  4. Step 4: Simplify right side
    178,756.17x = 12,236,676,524.83
  5. Step 5: Solve for x
    x = 12,236,676,524.83/178,756.17
  6. Step 6: Final answer
    x = 68,454.57

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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.