Home / 202,355.25-279,250.65-111,711.33

Finding the Fourth Proportional to 202,355.25, 279,250.65 and 111,711.33

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Solution

The fourth proportional to 202,355.25, 279,250.65 and 111,711.33 is: 154,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.25 : 279,250.65 = 111,711.33 : x
  2. Step 2: Convert to fraction form
    202,355.25/279,250.65 = 111,711.33/x
  3. Step 3: Cross multiply
    202,355.25x = 279,250.65 × 111,711.33
  4. Step 4: Simplify right side
    202,355.25x = 31,195,461,514.86
  5. Step 5: Solve for x
    x = 31,195,461,514.86/202,355.25
  6. Step 6: Final answer
    x = 154,161.86

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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.