Home / 178,731.66-268,056.64-106,704.95

Finding the Fourth Proportional to 178,731.66, 268,056.64 and 106,704.95

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Solution

The fourth proportional to 178,731.66, 268,056.64 and 106,704.95 is: 160,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.66 : 268,056.64 = 106,704.95 : x
  2. Step 2: Convert to fraction form
    178,731.66/268,056.64 = 106,704.95/x
  3. Step 3: Cross multiply
    178,731.66x = 268,056.64 × 106,704.95
  4. Step 4: Simplify right side
    178,731.66x = 28,602,969,161.47
  5. Step 5: Solve for x
    x = 28,602,969,161.47/178,731.66
  6. Step 6: Final answer
    x = 160,033.03

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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.