Home / 185,632.16-278,589.27-135,840.75

Finding the Fourth Proportional to 185,632.16, 278,589.27 and 135,840.75

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Solution

The fourth proportional to 185,632.16, 278,589.27 and 135,840.75 is: 203,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.16 : 278,589.27 = 135,840.75 : x
  2. Step 2: Convert to fraction form
    185,632.16/278,589.27 = 135,840.75/x
  3. Step 3: Cross multiply
    185,632.16x = 278,589.27 × 135,840.75
  4. Step 4: Simplify right side
    185,632.16x = 37,843,774,843.45
  5. Step 5: Solve for x
    x = 37,843,774,843.45/185,632.16
  6. Step 6: Final answer
    x = 203,864.33

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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.