Home / 202,355.08-279,250.41-111,711.17

Finding the Fourth Proportional to 202,355.08, 279,250.41 and 111,711.17

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Solution

The fourth proportional to 202,355.08, 279,250.41 and 111,711.17 is: 154,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.08 : 279,250.41 = 111,711.17 : x
  2. Step 2: Convert to fraction form
    202,355.08/279,250.41 = 111,711.17/x
  3. Step 3: Cross multiply
    202,355.08x = 279,250.41 × 111,711.17
  4. Step 4: Simplify right side
    202,355.08x = 31,195,388,627.83
  5. Step 5: Solve for x
    x = 31,195,388,627.83/202,355.08
  6. Step 6: Final answer
    x = 154,161.63

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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.