Home / 122,961.51-184,442.40-34,215.21

Finding the Fourth Proportional to 122,961.51, 184,442.40 and 34,215.21

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Solution

The fourth proportional to 122,961.51, 184,442.40 and 34,215.21 is: 51,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,961.51 : 184,442.40 = 34,215.21 : x
  2. Step 2: Convert to fraction form
    122,961.51/184,442.40 = 34,215.21/x
  3. Step 3: Cross multiply
    122,961.51x = 184,442.40 × 34,215.21
  4. Step 4: Simplify right side
    122,961.51x = 6,310,735,448.90
  5. Step 5: Solve for x
    x = 6,310,735,448.90/122,961.51
  6. Step 6: Final answer
    x = 51,322.85

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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.