Home / 129,110.82-193,307.01-65,794.44

Finding the Fourth Proportional to 129,110.82, 193,307.01 and 65,794.44

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Solution

The fourth proportional to 129,110.82, 193,307.01 and 65,794.44 is: 98,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,110.82 : 193,307.01 = 65,794.44 : x
  2. Step 2: Convert to fraction form
    129,110.82/193,307.01 = 65,794.44/x
  3. Step 3: Cross multiply
    129,110.82x = 193,307.01 × 65,794.44
  4. Step 4: Simplify right side
    129,110.82x = 12,718,526,471.02
  5. Step 5: Solve for x
    x = 12,718,526,471.02/129,110.82
  6. Step 6: Final answer
    x = 98,508.60

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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.