Home / 221,283.11-331,923.57-191,205.82

Finding the Fourth Proportional to 221,283.11, 331,923.57 and 191,205.82

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Solution

The fourth proportional to 221,283.11, 331,923.57 and 191,205.82 is: 286,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,283.11 : 331,923.57 = 191,205.82 : x
  2. Step 2: Convert to fraction form
    221,283.11/331,923.57 = 191,205.82/x
  3. Step 3: Cross multiply
    221,283.11x = 331,923.57 × 191,205.82
  4. Step 4: Simplify right side
    221,283.11x = 63,465,716,832.35
  5. Step 5: Solve for x
    x = 63,465,716,832.35/221,283.11
  6. Step 6: Final answer
    x = 286,807.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.