Home / 395,308.12-545,525.56-214,020.18

Finding the Fourth Proportional to 395,308.12, 545,525.56 and 214,020.18

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Solution

The fourth proportional to 395,308.12, 545,525.56 and 214,020.18 is: 295,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,308.12 : 545,525.56 = 214,020.18 : x
  2. Step 2: Convert to fraction form
    395,308.12/545,525.56 = 214,020.18/x
  3. Step 3: Cross multiply
    395,308.12x = 545,525.56 × 214,020.18
  4. Step 4: Simplify right side
    395,308.12x = 116,753,478,545.80
  5. Step 5: Solve for x
    x = 116,753,478,545.80/395,308.12
  6. Step 6: Final answer
    x = 295,348.04

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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.