Home / 117,837.70-176,651.76-42,943.78

Finding the Fourth Proportional to 117,837.70, 176,651.76 and 42,943.78

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Solution

The fourth proportional to 117,837.70, 176,651.76 and 42,943.78 is: 64,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,837.70 : 176,651.76 = 42,943.78 : x
  2. Step 2: Convert to fraction form
    117,837.70/176,651.76 = 42,943.78/x
  3. Step 3: Cross multiply
    117,837.70x = 176,651.76 × 42,943.78
  4. Step 4: Simplify right side
    117,837.70x = 7,586,094,318.05
  5. Step 5: Solve for x
    x = 7,586,094,318.05/117,837.70
  6. Step 6: Final answer
    x = 64,377.48

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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.