Home / 147,185.71-203,099.55-82,646.43

Finding the Fourth Proportional to 147,185.71, 203,099.55 and 82,646.43

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Solution

The fourth proportional to 147,185.71, 203,099.55 and 82,646.43 is: 114,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,185.71 : 203,099.55 = 82,646.43 : x
  2. Step 2: Convert to fraction form
    147,185.71/203,099.55 = 82,646.43/x
  3. Step 3: Cross multiply
    147,185.71x = 203,099.55 × 82,646.43
  4. Step 4: Simplify right side
    147,185.71x = 16,785,452,135.45
  5. Step 5: Solve for x
    x = 16,785,452,135.45/147,185.71
  6. Step 6: Final answer
    x = 114,042.68

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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.