Home / 352,899.38-486,985.04-199,934.46

Finding the Fourth Proportional to 352,899.38, 486,985.04 and 199,934.46

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Solution

The fourth proportional to 352,899.38, 486,985.04 and 199,934.46 is: 275,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,899.38 : 486,985.04 = 199,934.46 : x
  2. Step 2: Convert to fraction form
    352,899.38/486,985.04 = 199,934.46/x
  3. Step 3: Cross multiply
    352,899.38x = 486,985.04 × 199,934.46
  4. Step 4: Simplify right side
    352,899.38x = 97,365,091,000.48
  5. Step 5: Solve for x
    x = 97,365,091,000.48/352,899.38
  6. Step 6: Final answer
    x = 275,900.43

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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.