Home / 185,016.16-255,148.96-122,816.60

Finding the Fourth Proportional to 185,016.16, 255,148.96 and 122,816.60

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Solution

The fourth proportional to 185,016.16, 255,148.96 and 122,816.60 is: 169,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,016.16 : 255,148.96 = 122,816.60 : x
  2. Step 2: Convert to fraction form
    185,016.16/255,148.96 = 122,816.60/x
  3. Step 3: Cross multiply
    185,016.16x = 255,148.96 × 122,816.60
  4. Step 4: Simplify right side
    185,016.16x = 31,336,527,760.74
  5. Step 5: Solve for x
    x = 31,336,527,760.74/185,016.16
  6. Step 6: Final answer
    x = 169,371.84

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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.