Home / 199,933.20-299,703.96-99,943.92

Finding the Fourth Proportional to 199,933.20, 299,703.96 and 99,943.92

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Solution

The fourth proportional to 199,933.20, 299,703.96 and 99,943.92 is: 149,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,933.20 : 299,703.96 = 99,943.92 : x
  2. Step 2: Convert to fraction form
    199,933.20/299,703.96 = 99,943.92/x
  3. Step 3: Cross multiply
    199,933.20x = 299,703.96 × 99,943.92
  4. Step 4: Simplify right side
    199,933.20x = 29,953,588,601.92
  5. Step 5: Solve for x
    x = 29,953,588,601.92/199,933.20
  6. Step 6: Final answer
    x = 149,817.98

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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.