Home / 107,637.28-148,476.24-69,936.48

Finding the Fourth Proportional to 107,637.28, 148,476.24 and 69,936.48

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Solution

The fourth proportional to 107,637.28, 148,476.24 and 69,936.48 is: 96,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637.28 : 148,476.24 = 69,936.48 : x
  2. Step 2: Convert to fraction form
    107,637.28/148,476.24 = 69,936.48/x
  3. Step 3: Cross multiply
    107,637.28x = 148,476.24 × 69,936.48
  4. Step 4: Simplify right side
    107,637.28x = 10,383,905,589.24
  5. Step 5: Solve for x
    x = 10,383,905,589.24/107,637.28
  6. Step 6: Final answer
    x = 96,471.27

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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.