Home / 122,932.88-184,431-66,758.57

Finding the Fourth Proportional to 122,932.88, 184,431 and 66,758.57

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Solution

The fourth proportional to 122,932.88, 184,431 and 66,758.57 is: 100,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,932.88 : 184,431 = 66,758.57 : x
  2. Step 2: Convert to fraction form
    122,932.88/184,431 = 66,758.57/x
  3. Step 3: Cross multiply
    122,932.88x = 184,431 × 66,758.57
  4. Step 4: Simplify right side
    122,932.88x = 12,312,349,823.67
  5. Step 5: Solve for x
    x = 12,312,349,823.67/122,932.88
  6. Step 6: Final answer
    x = 100,155.06

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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.