Home / 185,724.74-256,305.39-109,249.40

Finding the Fourth Proportional to 185,724.74, 256,305.39 and 109,249.40

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Solution

The fourth proportional to 185,724.74, 256,305.39 and 109,249.40 is: 150,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,724.74 : 256,305.39 = 109,249.40 : x
  2. Step 2: Convert to fraction form
    185,724.74/256,305.39 = 109,249.40/x
  3. Step 3: Cross multiply
    185,724.74x = 256,305.39 × 109,249.40
  4. Step 4: Simplify right side
    185,724.74x = 28,001,210,074.27
  5. Step 5: Solve for x
    x = 28,001,210,074.27/185,724.74
  6. Step 6: Final answer
    x = 150,767.26

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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.