Home / 178,836.42-268,253.55-45,716.46

Finding the Fourth Proportional to 178,836.42, 268,253.55 and 45,716.46

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Solution

The fourth proportional to 178,836.42, 268,253.55 and 45,716.46 is: 68,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,836.42 : 268,253.55 = 45,716.46 : x
  2. Step 2: Convert to fraction form
    178,836.42/268,253.55 = 45,716.46/x
  3. Step 3: Cross multiply
    178,836.42x = 268,253.55 × 45,716.46
  4. Step 4: Simplify right side
    178,836.42x = 12,263,602,688.43
  5. Step 5: Solve for x
    x = 12,263,602,688.43/178,836.42
  6. Step 6: Final answer
    x = 68,574.41

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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.