Home / 658,471.14-987,707.18-185,156.56

Finding the Fourth Proportional to 658,471.14, 987,707.18 and 185,156.56

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Solution

The fourth proportional to 658,471.14, 987,707.18 and 185,156.56 is: 277,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,471.14 : 987,707.18 = 185,156.56 : x
  2. Step 2: Convert to fraction form
    658,471.14/987,707.18 = 185,156.56/x
  3. Step 3: Cross multiply
    658,471.14x = 987,707.18 × 185,156.56
  4. Step 4: Simplify right side
    658,471.14x = 182,880,463,736.10
  5. Step 5: Solve for x
    x = 182,880,463,736.10/658,471.14
  6. Step 6: Final answer
    x = 277,734.97

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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.