Home / 99,205.20-148,807.80-25,333.20

Finding the Fourth Proportional to 99,205.20, 148,807.80 and 25,333.20

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Solution

The fourth proportional to 99,205.20, 148,807.80 and 25,333.20 is: 37,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.20 : 148,807.80 = 25,333.20 : x
  2. Step 2: Convert to fraction form
    99,205.20/148,807.80 = 25,333.20/x
  3. Step 3: Cross multiply
    99,205.20x = 148,807.80 × 25,333.20
  4. Step 4: Simplify right side
    99,205.20x = 3,769,777,758.96
  5. Step 5: Solve for x
    x = 3,769,777,758.96/99,205.20
  6. Step 6: Final answer
    x = 37,999.80

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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.