Home / 199,398.48-298,997.78-66,232.05

Finding the Fourth Proportional to 199,398.48, 298,997.78 and 66,232.05

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Solution

The fourth proportional to 199,398.48, 298,997.78 and 66,232.05 is: 99,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,398.48 : 298,997.78 = 66,232.05 : x
  2. Step 2: Convert to fraction form
    199,398.48/298,997.78 = 66,232.05/x
  3. Step 3: Cross multiply
    199,398.48x = 298,997.78 × 66,232.05
  4. Step 4: Simplify right side
    199,398.48x = 19,803,235,583.69
  5. Step 5: Solve for x
    x = 19,803,235,583.69/199,398.48
  6. Step 6: Final answer
    x = 99,314.88

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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.