Home / 149,028.40-223,542.60-121,034.80

Finding the Fourth Proportional to 149,028.40, 223,542.60 and 121,034.80

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Solution

The fourth proportional to 149,028.40, 223,542.60 and 121,034.80 is: 181,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.40 : 223,542.60 = 121,034.80 : x
  2. Step 2: Convert to fraction form
    149,028.40/223,542.60 = 121,034.80/x
  3. Step 3: Cross multiply
    149,028.40x = 223,542.60 × 121,034.80
  4. Step 4: Simplify right side
    149,028.40x = 27,056,433,882.48
  5. Step 5: Solve for x
    x = 27,056,433,882.48/149,028.40
  6. Step 6: Final answer
    x = 181,552.20

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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.