Home / 149,224.83-223,696.53-74,274.12

Finding the Fourth Proportional to 149,224.83, 223,696.53 and 74,274.12

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Solution

The fourth proportional to 149,224.83, 223,696.53 and 74,274.12 is: 111,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,224.83 : 223,696.53 = 74,274.12 : x
  2. Step 2: Convert to fraction form
    149,224.83/223,696.53 = 74,274.12/x
  3. Step 3: Cross multiply
    149,224.83x = 223,696.53 × 74,274.12
  4. Step 4: Simplify right side
    149,224.83x = 16,614,862,912.80
  5. Step 5: Solve for x
    x = 16,614,862,912.80/149,224.83
  6. Step 6: Final answer
    x = 111,341.14

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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.