Home / 352,400.11-486,312.14-191,255.17

Finding the Fourth Proportional to 352,400.11, 486,312.14 and 191,255.17

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Solution

The fourth proportional to 352,400.11, 486,312.14 and 191,255.17 is: 263,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,400.11 : 486,312.14 = 191,255.17 : x
  2. Step 2: Convert to fraction form
    352,400.11/486,312.14 = 191,255.17/x
  3. Step 3: Cross multiply
    352,400.11x = 486,312.14 × 191,255.17
  4. Step 4: Simplify right side
    352,400.11x = 93,009,707,620.93
  5. Step 5: Solve for x
    x = 93,009,707,620.93/352,400.11
  6. Step 6: Final answer
    x = 263,932.12

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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.