Home / 99,923.00-149,988.31-66,874.01

Finding the Fourth Proportional to 99,923.00, 149,988.31 and 66,874.01

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Solution

The fourth proportional to 99,923.00, 149,988.31 and 66,874.01 is: 100,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,923.00 : 149,988.31 = 66,874.01 : x
  2. Step 2: Convert to fraction form
    99,923.00/149,988.31 = 66,874.01/x
  3. Step 3: Cross multiply
    99,923.00x = 149,988.31 × 66,874.01
  4. Step 4: Simplify right side
    99,923.00x = 10,030,318,825.70
  5. Step 5: Solve for x
    x = 10,030,318,825.70/99,923.00
  6. Step 6: Final answer
    x = 100,380.49

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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.