Home / 299,664.15-413,549.07-172,339.83

Finding the Fourth Proportional to 299,664.15, 413,549.07 and 172,339.83

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Solution

The fourth proportional to 299,664.15, 413,549.07 and 172,339.83 is: 237,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,664.15 : 413,549.07 = 172,339.83 : x
  2. Step 2: Convert to fraction form
    299,664.15/413,549.07 = 172,339.83/x
  3. Step 3: Cross multiply
    299,664.15x = 413,549.07 × 172,339.83
  4. Step 4: Simplify right side
    299,664.15x = 71,270,976,420.46
  5. Step 5: Solve for x
    x = 71,270,976,420.46/299,664.15
  6. Step 6: Final answer
    x = 237,836.18

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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.