Home / 99,275.25-148,912.89-25,403.25

Finding the Fourth Proportional to 99,275.25, 148,912.89 and 25,403.25

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Solution

The fourth proportional to 99,275.25, 148,912.89 and 25,403.25 is: 38,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.25 : 148,912.89 = 25,403.25 : x
  2. Step 2: Convert to fraction form
    99,275.25/148,912.89 = 25,403.25/x
  3. Step 3: Cross multiply
    99,275.25x = 148,912.89 × 25,403.25
  4. Step 4: Simplify right side
    99,275.25x = 3,782,871,372.89
  5. Step 5: Solve for x
    x = 3,782,871,372.89/99,275.25
  6. Step 6: Final answer
    x = 38,104.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.