Home / 268,896.08-403,250.04-79,306.12

Finding the Fourth Proportional to 268,896.08, 403,250.04 and 79,306.12

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Solution

The fourth proportional to 268,896.08, 403,250.04 and 79,306.12 is: 118,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,896.08 : 403,250.04 = 79,306.12 : x
  2. Step 2: Convert to fraction form
    268,896.08/403,250.04 = 79,306.12/x
  3. Step 3: Cross multiply
    268,896.08x = 403,250.04 × 79,306.12
  4. Step 4: Simplify right side
    268,896.08x = 31,980,193,649.46
  5. Step 5: Solve for x
    x = 31,980,193,649.46/268,896.08
  6. Step 6: Final answer
    x = 118,931.42

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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.