Home / 147,935.68-204,150.96-80,867.68

Finding the Fourth Proportional to 147,935.68, 204,150.96 and 80,867.68

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Solution

The fourth proportional to 147,935.68, 204,150.96 and 80,867.68 is: 111,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,935.68 : 204,150.96 = 80,867.68 : x
  2. Step 2: Convert to fraction form
    147,935.68/204,150.96 = 80,867.68/x
  3. Step 3: Cross multiply
    147,935.68x = 204,150.96 × 80,867.68
  4. Step 4: Simplify right side
    147,935.68x = 16,509,214,504.97
  5. Step 5: Solve for x
    x = 16,509,214,504.97/147,935.68
  6. Step 6: Final answer
    x = 111,597.25

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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.