Home / 99,408.30-149,112.45-25,536.30

Finding the Fourth Proportional to 99,408.30, 149,112.45 and 25,536.30

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Solution

The fourth proportional to 99,408.30, 149,112.45 and 25,536.30 is: 38,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408.30 : 149,112.45 = 25,536.30 : x
  2. Step 2: Convert to fraction form
    99,408.30/149,112.45 = 25,536.30/x
  3. Step 3: Cross multiply
    99,408.30x = 149,112.45 × 25,536.30
  4. Step 4: Simplify right side
    99,408.30x = 3,807,780,256.94
  5. Step 5: Solve for x
    x = 3,807,780,256.94/99,408.30
  6. Step 6: Final answer
    x = 38,304.45

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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.