Home / 251,158.73-346,593.03-143,721.89

Finding the Fourth Proportional to 251,158.73, 346,593.03 and 143,721.89

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Solution

The fourth proportional to 251,158.73, 346,593.03 and 143,721.89 is: 198,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,158.73 : 346,593.03 = 143,721.89 : x
  2. Step 2: Convert to fraction form
    251,158.73/346,593.03 = 143,721.89/x
  3. Step 3: Cross multiply
    251,158.73x = 346,593.03 × 143,721.89
  4. Step 4: Simplify right side
    251,158.73x = 49,813,006,309.81
  5. Step 5: Solve for x
    x = 49,813,006,309.81/251,158.73
  6. Step 6: Final answer
    x = 198,332.77

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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.