Home / 122,469.24-183,532.80-66,188.04

Finding the Fourth Proportional to 122,469.24, 183,532.80 and 66,188.04

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Solution

The fourth proportional to 122,469.24, 183,532.80 and 66,188.04 is: 99,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,469.24 : 183,532.80 = 66,188.04 : x
  2. Step 2: Convert to fraction form
    122,469.24/183,532.80 = 66,188.04/x
  3. Step 3: Cross multiply
    122,469.24x = 183,532.80 × 66,188.04
  4. Step 4: Simplify right side
    122,469.24x = 12,147,676,307.71
  5. Step 5: Solve for x
    x = 12,147,676,307.71/122,469.24
  6. Step 6: Final answer
    x = 99,189.61

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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.