Home / 352,356.03-486,275.27-199,394.28

Finding the Fourth Proportional to 352,356.03, 486,275.27 and 199,394.28

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Solution

The fourth proportional to 352,356.03, 486,275.27 and 199,394.28 is: 275,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,356.03 : 486,275.27 = 199,394.28 : x
  2. Step 2: Convert to fraction form
    352,356.03/486,275.27 = 199,394.28/x
  3. Step 3: Cross multiply
    352,356.03x = 486,275.27 × 199,394.28
  4. Step 4: Simplify right side
    352,356.03x = 96,960,506,346.48
  5. Step 5: Solve for x
    x = 96,960,506,346.48/352,356.03
  6. Step 6: Final answer
    x = 275,177.66

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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.