Home / 268,764.24-403,208.76-91,271.46

Finding the Fourth Proportional to 268,764.24, 403,208.76 and 91,271.46

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Solution

The fourth proportional to 268,764.24, 403,208.76 and 91,271.46 is: 136,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,764.24 : 403,208.76 = 91,271.46 : x
  2. Step 2: Convert to fraction form
    268,764.24/403,208.76 = 91,271.46/x
  3. Step 3: Cross multiply
    268,764.24x = 403,208.76 × 91,271.46
  4. Step 4: Simplify right side
    268,764.24x = 36,801,452,209.99
  5. Step 5: Solve for x
    x = 36,801,452,209.99/268,764.24
  6. Step 6: Final answer
    x = 136,928.38

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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.