Home / 149,229.46-223,703.48-74,278.74

Finding the Fourth Proportional to 149,229.46, 223,703.48 and 74,278.74

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Solution

The fourth proportional to 149,229.46, 223,703.48 and 74,278.74 is: 111,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,229.46 : 223,703.48 = 74,278.74 : x
  2. Step 2: Convert to fraction form
    149,229.46/223,703.48 = 74,278.74/x
  3. Step 3: Cross multiply
    149,229.46x = 223,703.48 × 74,278.74
  4. Step 4: Simplify right side
    149,229.46x = 16,616,412,628.02
  5. Step 5: Solve for x
    x = 16,616,412,628.02/149,229.46
  6. Step 6: Final answer
    x = 111,348.07

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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.