Home / 202,362.30-279,252.60-111,716.31

Finding the Fourth Proportional to 202,362.30, 279,252.60 and 111,716.31

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Solution

The fourth proportional to 202,362.30, 279,252.60 and 111,716.31 is: 154,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,362.30 : 279,252.60 = 111,716.31 : x
  2. Step 2: Convert to fraction form
    202,362.30/279,252.60 = 111,716.31/x
  3. Step 3: Cross multiply
    202,362.30x = 279,252.60 × 111,716.31
  4. Step 4: Simplify right side
    202,362.30x = 31,197,070,029.91
  5. Step 5: Solve for x
    x = 31,197,070,029.91/202,362.30
  6. Step 6: Final answer
    x = 154,164.44

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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.