Home / 199,401.35-299,014.07-73,008.68

Finding the Fourth Proportional to 199,401.35, 299,014.07 and 73,008.68

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Solution

The fourth proportional to 199,401.35, 299,014.07 and 73,008.68 is: 109,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,401.35 : 299,014.07 = 73,008.68 : x
  2. Step 2: Convert to fraction form
    199,401.35/299,014.07 = 73,008.68/x
  3. Step 3: Cross multiply
    199,401.35x = 299,014.07 × 73,008.68
  4. Step 4: Simplify right side
    199,401.35x = 21,830,620,692.01
  5. Step 5: Solve for x
    x = 21,830,620,692.01/199,401.35
  6. Step 6: Final answer
    x = 109,480.81

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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.