Home / 658,143.39-987,138.54-184,869.30

Finding the Fourth Proportional to 658,143.39, 987,138.54 and 184,869.30

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Solution

The fourth proportional to 658,143.39, 987,138.54 and 184,869.30 is: 277,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,143.39 : 987,138.54 = 184,869.30 : x
  2. Step 2: Convert to fraction form
    658,143.39/987,138.54 = 184,869.30/x
  3. Step 3: Cross multiply
    658,143.39x = 987,138.54 × 184,869.30
  4. Step 4: Simplify right side
    658,143.39x = 182,491,610,892.82
  5. Step 5: Solve for x
    x = 182,491,610,892.82/658,143.39
  6. Step 6: Final answer
    x = 277,282.45

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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.