Home / 107,112.88-147,846.36-64,674.28

Finding the Fourth Proportional to 107,112.88, 147,846.36 and 64,674.28

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Solution

The fourth proportional to 107,112.88, 147,846.36 and 64,674.28 is: 89,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,112.88 : 147,846.36 = 64,674.28 : x
  2. Step 2: Convert to fraction form
    107,112.88/147,846.36 = 64,674.28/x
  3. Step 3: Cross multiply
    107,112.88x = 147,846.36 × 64,674.28
  4. Step 4: Simplify right side
    107,112.88x = 9,561,856,883.62
  5. Step 5: Solve for x
    x = 9,561,856,883.62/107,112.88
  6. Step 6: Final answer
    x = 89,268.97

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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.