Home / 101,945.57-140,628.18-94,729.08

Finding the Fourth Proportional to 101,945.57, 140,628.18 and 94,729.08

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Solution

The fourth proportional to 101,945.57, 140,628.18 and 94,729.08 is: 130,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,945.57 : 140,628.18 = 94,729.08 : x
  2. Step 2: Convert to fraction form
    101,945.57/140,628.18 = 94,729.08/x
  3. Step 3: Cross multiply
    101,945.57x = 140,628.18 × 94,729.08
  4. Step 4: Simplify right side
    101,945.57x = 13,321,576,936.69
  5. Step 5: Solve for x
    x = 13,321,576,936.69/101,945.57
  6. Step 6: Final answer
    x = 130,673.43

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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.