Home / 122,531.90-183,907.20-105,910.70

Finding the Fourth Proportional to 122,531.90, 183,907.20 and 105,910.70

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Solution

The fourth proportional to 122,531.90, 183,907.20 and 105,910.70 is: 158,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531.90 : 183,907.20 = 105,910.70 : x
  2. Step 2: Convert to fraction form
    122,531.90/183,907.20 = 105,910.70/x
  3. Step 3: Cross multiply
    122,531.90x = 183,907.20 × 105,910.70
  4. Step 4: Simplify right side
    122,531.90x = 19,477,740,287.04
  5. Step 5: Solve for x
    x = 19,477,740,287.04/122,531.90
  6. Step 6: Final answer
    x = 158,960.57

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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.