Home / 313,285.19-432,321.93-170,042.15

Finding the Fourth Proportional to 313,285.19, 432,321.93 and 170,042.15

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Solution

The fourth proportional to 313,285.19, 432,321.93 and 170,042.15 is: 234,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,285.19 : 432,321.93 = 170,042.15 : x
  2. Step 2: Convert to fraction form
    313,285.19/432,321.93 = 170,042.15/x
  3. Step 3: Cross multiply
    313,285.19x = 432,321.93 × 170,042.15
  4. Step 4: Simplify right side
    313,285.19x = 73,512,950,469.35
  5. Step 5: Solve for x
    x = 73,512,950,469.35/313,285.19
  6. Step 6: Final answer
    x = 234,651.85

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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.