Home / 274,715.16-379,165.50-161,602.44

Finding the Fourth Proportional to 274,715.16, 379,165.50 and 161,602.44

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Solution

The fourth proportional to 274,715.16, 379,165.50 and 161,602.44 is: 223,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,715.16 : 379,165.50 = 161,602.44 : x
  2. Step 2: Convert to fraction form
    274,715.16/379,165.50 = 161,602.44/x
  3. Step 3: Cross multiply
    274,715.16x = 379,165.50 × 161,602.44
  4. Step 4: Simplify right side
    274,715.16x = 61,274,069,963.82
  5. Step 5: Solve for x
    x = 61,274,069,963.82/274,715.16
  6. Step 6: Final answer
    x = 223,045.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.