Home / 259,452.50-389,195.15-109,673.07

Finding the Fourth Proportional to 259,452.50, 389,195.15 and 109,673.07

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Solution

The fourth proportional to 259,452.50, 389,195.15 and 109,673.07 is: 164,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,452.50 : 389,195.15 = 109,673.07 : x
  2. Step 2: Convert to fraction form
    259,452.50/389,195.15 = 109,673.07/x
  3. Step 3: Cross multiply
    259,452.50x = 389,195.15 × 109,673.07
  4. Step 4: Simplify right side
    259,452.50x = 42,684,226,381.25
  5. Step 5: Solve for x
    x = 42,684,226,381.25/259,452.50
  6. Step 6: Final answer
    x = 164,516.54

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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.