Home / 158,529.88-237,821.08-78,571.61

Finding the Fourth Proportional to 158,529.88, 237,821.08 and 78,571.61

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Solution

The fourth proportional to 158,529.88, 237,821.08 and 78,571.61 is: 117,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,529.88 : 237,821.08 = 78,571.61 : x
  2. Step 2: Convert to fraction form
    158,529.88/237,821.08 = 78,571.61/x
  3. Step 3: Cross multiply
    158,529.88x = 237,821.08 × 78,571.61
  4. Step 4: Simplify right side
    158,529.88x = 18,685,985,147.54
  5. Step 5: Solve for x
    x = 18,685,985,147.54/158,529.88
  6. Step 6: Final answer
    x = 117,870.43

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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.