Home / 122,129.50-183,172.28-43,244.14

Finding the Fourth Proportional to 122,129.50, 183,172.28 and 43,244.14

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Solution

The fourth proportional to 122,129.50, 183,172.28 and 43,244.14 is: 64,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.50 : 183,172.28 = 43,244.14 : x
  2. Step 2: Convert to fraction form
    122,129.50/183,172.28 = 43,244.14/x
  3. Step 3: Cross multiply
    122,129.50x = 183,172.28 × 43,244.14
  4. Step 4: Simplify right side
    122,129.50x = 7,921,126,912.69
  5. Step 5: Solve for x
    x = 7,921,126,912.69/122,129.50
  6. Step 6: Final answer
    x = 64,858.43

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1.5x scale

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.