Home / 178,917.29-268,369.79-45,798.71

Finding the Fourth Proportional to 178,917.29, 268,369.79 and 45,798.71

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Solution

The fourth proportional to 178,917.29, 268,369.79 and 45,798.71 is: 68,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,917.29 : 268,369.79 = 45,798.71 : x
  2. Step 2: Convert to fraction form
    178,917.29/268,369.79 = 45,798.71/x
  3. Step 3: Cross multiply
    178,917.29x = 268,369.79 × 45,798.71
  4. Step 4: Simplify right side
    178,917.29x = 12,290,988,871.75
  5. Step 5: Solve for x
    x = 12,290,988,871.75/178,917.29
  6. Step 6: Final answer
    x = 68,696.48

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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.