Home / 289,753.11-399,942.69-175,013.52

Finding the Fourth Proportional to 289,753.11, 399,942.69 and 175,013.52

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Solution

The fourth proportional to 289,753.11, 399,942.69 and 175,013.52 is: 241,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,753.11 : 399,942.69 = 175,013.52 : x
  2. Step 2: Convert to fraction form
    289,753.11/399,942.69 = 175,013.52/x
  3. Step 3: Cross multiply
    289,753.11x = 399,942.69 × 175,013.52
  4. Step 4: Simplify right side
    289,753.11x = 69,995,377,975.17
  5. Step 5: Solve for x
    x = 69,995,377,975.17/289,753.11
  6. Step 6: Final answer
    x = 241,569.03

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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.