Home / 190,278.72-262,478.88-149,843.52

Finding the Fourth Proportional to 190,278.72, 262,478.88 and 149,843.52

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Solution

The fourth proportional to 190,278.72, 262,478.88 and 149,843.52 is: 206,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,278.72 : 262,478.88 = 149,843.52 : x
  2. Step 2: Convert to fraction form
    190,278.72/262,478.88 = 149,843.52/x
  3. Step 3: Cross multiply
    190,278.72x = 262,478.88 × 149,843.52
  4. Step 4: Simplify right side
    190,278.72x = 39,330,759,304.86
  5. Step 5: Solve for x
    x = 39,330,759,304.86/190,278.72
  6. Step 6: Final answer
    x = 206,700.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.