Home / 213,066.07-319,586.56-79,935.17

Finding the Fourth Proportional to 213,066.07, 319,586.56 and 79,935.17

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Solution

The fourth proportional to 213,066.07, 319,586.56 and 79,935.17 is: 119,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,066.07 : 319,586.56 = 79,935.17 : x
  2. Step 2: Convert to fraction form
    213,066.07/319,586.56 = 79,935.17/x
  3. Step 3: Cross multiply
    213,066.07x = 319,586.56 × 79,935.17
  4. Step 4: Simplify right side
    213,066.07x = 25,546,204,205.54
  5. Step 5: Solve for x
    x = 25,546,204,205.54/213,066.07
  6. Step 6: Final answer
    x = 119,898.04

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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.