Home / 259,678.31-358,518.15-199,132.43

Finding the Fourth Proportional to 259,678.31, 358,518.15 and 199,132.43

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Solution

The fourth proportional to 259,678.31, 358,518.15 and 199,132.43 is: 274,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,678.31 : 358,518.15 = 199,132.43 : x
  2. Step 2: Convert to fraction form
    259,678.31/358,518.15 = 199,132.43/x
  3. Step 3: Cross multiply
    259,678.31x = 358,518.15 × 199,132.43
  4. Step 4: Simplify right side
    259,678.31x = 71,392,588,616.01
  5. Step 5: Solve for x
    x = 71,392,588,616.01/259,678.31
  6. Step 6: Final answer
    x = 274,927.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.