Home / 352,415.13-486,337.55-191,272.11

Finding the Fourth Proportional to 352,415.13, 486,337.55 and 191,272.11

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Solution

The fourth proportional to 352,415.13, 486,337.55 and 191,272.11 is: 263,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,415.13 : 486,337.55 = 191,272.11 : x
  2. Step 2: Convert to fraction form
    352,415.13/486,337.55 = 191,272.11/x
  3. Step 3: Cross multiply
    352,415.13x = 486,337.55 × 191,272.11
  4. Step 4: Simplify right side
    352,415.13x = 93,022,808,404.37
  5. Step 5: Solve for x
    x = 93,022,808,404.37/352,415.13
  6. Step 6: Final answer
    x = 263,958.04

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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.