Home / 149,223.42-223,694.44-74,272.70

Finding the Fourth Proportional to 149,223.42, 223,694.44 and 74,272.70

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Solution

The fourth proportional to 149,223.42, 223,694.44 and 74,272.70 is: 111,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,223.42 : 223,694.44 = 74,272.70 : x
  2. Step 2: Convert to fraction form
    149,223.42/223,694.44 = 74,272.70/x
  3. Step 3: Cross multiply
    149,223.42x = 223,694.44 × 74,272.70
  4. Step 4: Simplify right side
    149,223.42x = 16,614,390,407.34
  5. Step 5: Solve for x
    x = 16,614,390,407.34/149,223.42
  6. Step 6: Final answer
    x = 111,339.03

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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.