Home / 372,058.50-558,087.78-109,402.50

Finding the Fourth Proportional to 372,058.50, 558,087.78 and 109,402.50

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Solution

The fourth proportional to 372,058.50, 558,087.78 and 109,402.50 is: 164,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,058.50 : 558,087.78 = 109,402.50 : x
  2. Step 2: Convert to fraction form
    372,058.50/558,087.78 = 109,402.50/x
  3. Step 3: Cross multiply
    372,058.50x = 558,087.78 × 109,402.50
  4. Step 4: Simplify right side
    372,058.50x = 61,056,198,351.45
  5. Step 5: Solve for x
    x = 61,056,198,351.45/372,058.50
  6. Step 6: Final answer
    x = 164,103.76

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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.