Home / 352,399.13-486,311.10-191,254.15

Finding the Fourth Proportional to 352,399.13, 486,311.10 and 191,254.15

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Solution

The fourth proportional to 352,399.13, 486,311.10 and 191,254.15 is: 263,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,399.13 : 486,311.10 = 191,254.15 : x
  2. Step 2: Convert to fraction form
    352,399.13/486,311.10 = 191,254.15/x
  3. Step 3: Cross multiply
    352,399.13x = 486,311.10 × 191,254.15
  4. Step 4: Simplify right side
    352,399.13x = 93,009,016,066.07
  5. Step 5: Solve for x
    x = 93,009,016,066.07/352,399.13
  6. Step 6: Final answer
    x = 263,930.89

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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.