Home / 99,237.20-148,855.80-25,365.20

Finding the Fourth Proportional to 99,237.20, 148,855.80 and 25,365.20

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Solution

The fourth proportional to 99,237.20, 148,855.80 and 25,365.20 is: 38,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.20 : 148,855.80 = 25,365.20 : x
  2. Step 2: Convert to fraction form
    99,237.20/148,855.80 = 25,365.20/x
  3. Step 3: Cross multiply
    99,237.20x = 148,855.80 × 25,365.20
  4. Step 4: Simplify right side
    99,237.20x = 3,775,757,138.16
  5. Step 5: Solve for x
    x = 3,775,757,138.16/99,237.20
  6. Step 6: Final answer
    x = 38,047.80

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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.