Home / 192,917.28-289,262.16-66,514.08

Finding the Fourth Proportional to 192,917.28, 289,262.16 and 66,514.08

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Solution

The fourth proportional to 192,917.28, 289,262.16 and 66,514.08 is: 99,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,917.28 : 289,262.16 = 66,514.08 : x
  2. Step 2: Convert to fraction form
    192,917.28/289,262.16 = 66,514.08/x
  3. Step 3: Cross multiply
    192,917.28x = 289,262.16 × 66,514.08
  4. Step 4: Simplify right side
    192,917.28x = 19,240,006,451.21
  5. Step 5: Solve for x
    x = 19,240,006,451.21/192,917.28
  6. Step 6: Final answer
    x = 99,731.90

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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.