Home / 149,201.78-223,805.04-83,062.30

Finding the Fourth Proportional to 149,201.78, 223,805.04 and 83,062.30

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Solution

The fourth proportional to 149,201.78, 223,805.04 and 83,062.30 is: 124,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,201.78 : 223,805.04 = 83,062.30 : x
  2. Step 2: Convert to fraction form
    149,201.78/223,805.04 = 83,062.30/x
  3. Step 3: Cross multiply
    149,201.78x = 223,805.04 × 83,062.30
  4. Step 4: Simplify right side
    149,201.78x = 18,589,761,373.99
  5. Step 5: Solve for x
    x = 18,589,761,373.99/149,201.78
  6. Step 6: Final answer
    x = 124,594.77

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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.