Home / 185,118.94-255,273.15-158,350.06

Finding the Fourth Proportional to 185,118.94, 255,273.15 and 158,350.06

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Solution

The fourth proportional to 185,118.94, 255,273.15 and 158,350.06 is: 218,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,118.94 : 255,273.15 = 158,350.06 : x
  2. Step 2: Convert to fraction form
    185,118.94/255,273.15 = 158,350.06/x
  3. Step 3: Cross multiply
    185,118.94x = 255,273.15 × 158,350.06
  4. Step 4: Simplify right side
    185,118.94x = 40,422,518,618.89
  5. Step 5: Solve for x
    x = 40,422,518,618.89/185,118.94
  6. Step 6: Final answer
    x = 218,359.71

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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.