Home / 192,398.19-265,584.42-172,220.18

Finding the Fourth Proportional to 192,398.19, 265,584.42 and 172,220.18

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Solution

The fourth proportional to 192,398.19, 265,584.42 and 172,220.18 is: 237,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,398.19 : 265,584.42 = 172,220.18 : x
  2. Step 2: Convert to fraction form
    192,398.19/265,584.42 = 172,220.18/x
  3. Step 3: Cross multiply
    192,398.19x = 265,584.42 × 172,220.18
  4. Step 4: Simplify right side
    192,398.19x = 45,738,995,289.67
  5. Step 5: Solve for x
    x = 45,738,995,289.67/192,398.19
  6. Step 6: Final answer
    x = 237,730.91

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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.