Home / 185,069.74-255,397.06-100,186.80

Finding the Fourth Proportional to 185,069.74, 255,397.06 and 100,186.80

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Solution

The fourth proportional to 185,069.74, 255,397.06 and 100,186.80 is: 138,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069.74 : 255,397.06 = 100,186.80 : x
  2. Step 2: Convert to fraction form
    185,069.74/255,397.06 = 100,186.80/x
  3. Step 3: Cross multiply
    185,069.74x = 255,397.06 × 100,186.80
  4. Step 4: Simplify right side
    185,069.74x = 25,587,414,170.81
  5. Step 5: Solve for x
    x = 25,587,414,170.81/185,069.74
  6. Step 6: Final answer
    x = 138,258.23

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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.