Home / 352,285.83-486,151.65-199,322.72

Finding the Fourth Proportional to 352,285.83, 486,151.65 and 199,322.72

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Solution

The fourth proportional to 352,285.83, 486,151.65 and 199,322.72 is: 275,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,285.83 : 486,151.65 = 199,322.72 : x
  2. Step 2: Convert to fraction form
    352,285.83/486,151.65 = 199,322.72/x
  3. Step 3: Cross multiply
    352,285.83x = 486,151.65 × 199,322.72
  4. Step 4: Simplify right side
    352,285.83x = 96,901,070,776.81
  5. Step 5: Solve for x
    x = 96,901,070,776.81/352,285.83
  6. Step 6: Final answer
    x = 275,063.77

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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.