Home / 313,558.29-432,544.59-198,634.21

Finding the Fourth Proportional to 313,558.29, 432,544.59 and 198,634.21

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Solution

The fourth proportional to 313,558.29, 432,544.59 and 198,634.21 is: 274,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,558.29 : 432,544.59 = 198,634.21 : x
  2. Step 2: Convert to fraction form
    313,558.29/432,544.59 = 198,634.21/x
  3. Step 3: Cross multiply
    313,558.29x = 432,544.59 × 198,634.21
  4. Step 4: Simplify right side
    313,558.29x = 85,918,151,843.06
  5. Step 5: Solve for x
    x = 85,918,151,843.06/313,558.29
  6. Step 6: Final answer
    x = 274,010.14

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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.