Home / 313,042.21-431,998.23-177,073.24

Finding the Fourth Proportional to 313,042.21, 431,998.23 and 177,073.24

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Solution

The fourth proportional to 313,042.21, 431,998.23 and 177,073.24 is: 244,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,042.21 : 431,998.23 = 177,073.24 : x
  2. Step 2: Convert to fraction form
    313,042.21/431,998.23 = 177,073.24/x
  3. Step 3: Cross multiply
    313,042.21x = 431,998.23 × 177,073.24
  4. Step 4: Simplify right side
    313,042.21x = 76,495,326,260.37
  5. Step 5: Solve for x
    x = 76,495,326,260.37/313,042.21
  6. Step 6: Final answer
    x = 244,361.06

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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.