Home / 147,853.10-204,037.27-80,785.10

Finding the Fourth Proportional to 147,853.10, 204,037.27 and 80,785.10

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Solution

The fourth proportional to 147,853.10, 204,037.27 and 80,785.10 is: 111,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.10 : 204,037.27 = 80,785.10 : x
  2. Step 2: Convert to fraction form
    147,853.10/204,037.27 = 80,785.10/x
  3. Step 3: Cross multiply
    147,853.10x = 204,037.27 × 80,785.10
  4. Step 4: Simplify right side
    147,853.10x = 16,483,171,260.68
  5. Step 5: Solve for x
    x = 16,483,171,260.68/147,853.10
  6. Step 6: Final answer
    x = 111,483.43

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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.