Home / 239,552.92-359,365.27-77,392.78

Finding the Fourth Proportional to 239,552.92, 359,365.27 and 77,392.78

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Solution

The fourth proportional to 239,552.92, 359,365.27 and 77,392.78 is: 116,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,552.92 : 359,365.27 = 77,392.78 : x
  2. Step 2: Convert to fraction form
    239,552.92/359,365.27 = 77,392.78/x
  3. Step 3: Cross multiply
    239,552.92x = 359,365.27 × 77,392.78
  4. Step 4: Simplify right side
    239,552.92x = 27,812,276,893.79
  5. Step 5: Solve for x
    x = 27,812,276,893.79/239,552.92
  6. Step 6: Final answer
    x = 116,100.76

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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.