Home / 185,137.77-255,499.43-108,660.18

Finding the Fourth Proportional to 185,137.77, 255,499.43 and 108,660.18

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Solution

The fourth proportional to 185,137.77, 255,499.43 and 108,660.18 is: 149,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,137.77 : 255,499.43 = 108,660.18 : x
  2. Step 2: Convert to fraction form
    185,137.77/255,499.43 = 108,660.18/x
  3. Step 3: Cross multiply
    185,137.77x = 255,499.43 × 108,660.18
  4. Step 4: Simplify right side
    185,137.77x = 27,762,613,510.40
  5. Step 5: Solve for x
    x = 27,762,613,510.40/185,137.77
  6. Step 6: Final answer
    x = 149,956.51

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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.