Home / 107,674.23-148,436.46-75,744.03

Finding the Fourth Proportional to 107,674.23, 148,436.46 and 75,744.03

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Solution

The fourth proportional to 107,674.23, 148,436.46 and 75,744.03 is: 104,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,674.23 : 148,436.46 = 75,744.03 : x
  2. Step 2: Convert to fraction form
    107,674.23/148,436.46 = 75,744.03/x
  3. Step 3: Cross multiply
    107,674.23x = 148,436.46 × 75,744.03
  4. Step 4: Simplify right side
    107,674.23x = 11,243,175,679.33
  5. Step 5: Solve for x
    x = 11,243,175,679.33/107,674.23
  6. Step 6: Final answer
    x = 104,418.45

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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.