Home / 122,863.41-169,603.81-82,600.52

Finding the Fourth Proportional to 122,863.41, 169,603.81 and 82,600.52

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Solution

The fourth proportional to 122,863.41, 169,603.81 and 82,600.52 is: 114,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,863.41 : 169,603.81 = 82,600.52 : x
  2. Step 2: Convert to fraction form
    122,863.41/169,603.81 = 82,600.52/x
  3. Step 3: Cross multiply
    122,863.41x = 169,603.81 × 82,600.52
  4. Step 4: Simplify right side
    122,863.41x = 14,009,362,899.98
  5. Step 5: Solve for x
    x = 14,009,362,899.98/122,863.41
  6. Step 6: Final answer
    x = 114,023.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.