Home / 149,930.63-224,757.54-74,985.56

Finding the Fourth Proportional to 149,930.63, 224,757.54 and 74,985.56

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Solution

The fourth proportional to 149,930.63, 224,757.54 and 74,985.56 is: 112,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,930.63 : 224,757.54 = 74,985.56 : x
  2. Step 2: Convert to fraction form
    149,930.63/224,757.54 = 74,985.56/x
  3. Step 3: Cross multiply
    149,930.63x = 224,757.54 × 74,985.56
  4. Step 4: Simplify right side
    149,930.63x = 16,853,568,877.33
  5. Step 5: Solve for x
    x = 16,853,568,877.33/149,930.63
  6. Step 6: Final answer
    x = 112,409.12

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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.