Home / 202,194.58-279,026.71-111,551.33

Finding the Fourth Proportional to 202,194.58, 279,026.71 and 111,551.33

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Solution

The fourth proportional to 202,194.58, 279,026.71 and 111,551.33 is: 153,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,194.58 : 279,026.71 = 111,551.33 : x
  2. Step 2: Convert to fraction form
    202,194.58/279,026.71 = 111,551.33/x
  3. Step 3: Cross multiply
    202,194.58x = 279,026.71 × 111,551.33
  4. Step 4: Simplify right side
    202,194.58x = 31,125,800,606.02
  5. Step 5: Solve for x
    x = 31,125,800,606.02/202,194.58
  6. Step 6: Final answer
    x = 153,939.84

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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.