Home / 352,040.04-485,687.70-231,246.36

Finding the Fourth Proportional to 352,040.04, 485,687.70 and 231,246.36

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Solution

The fourth proportional to 352,040.04, 485,687.70 and 231,246.36 is: 319,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,040.04 : 485,687.70 = 231,246.36 : x
  2. Step 2: Convert to fraction form
    352,040.04/485,687.70 = 231,246.36/x
  3. Step 3: Cross multiply
    352,040.04x = 485,687.70 × 231,246.36
  4. Step 4: Simplify right side
    352,040.04x = 112,313,512,721.77
  5. Step 5: Solve for x
    x = 112,313,512,721.77/352,040.04
  6. Step 6: Final answer
    x = 319,036.19

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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.