Home / 158,439.98-237,712.91-51,828.78

Finding the Fourth Proportional to 158,439.98, 237,712.91 and 51,828.78

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Solution

The fourth proportional to 158,439.98, 237,712.91 and 51,828.78 is: 77,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,439.98 : 237,712.91 = 51,828.78 : x
  2. Step 2: Convert to fraction form
    158,439.98/237,712.91 = 51,828.78/x
  3. Step 3: Cross multiply
    158,439.98x = 237,712.91 × 51,828.78
  4. Step 4: Simplify right side
    158,439.98x = 12,320,370,115.55
  5. Step 5: Solve for x
    x = 12,320,370,115.55/158,439.98
  6. Step 6: Final answer
    x = 77,760.49

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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.