Home / 202,180.48-279,042.08-121,652.41

Finding the Fourth Proportional to 202,180.48, 279,042.08 and 121,652.41

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Solution

The fourth proportional to 202,180.48, 279,042.08 and 121,652.41 is: 167,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,180.48 : 279,042.08 = 121,652.41 : x
  2. Step 2: Convert to fraction form
    202,180.48/279,042.08 = 121,652.41/x
  3. Step 3: Cross multiply
    202,180.48x = 279,042.08 × 121,652.41
  4. Step 4: Simplify right side
    202,180.48x = 33,946,141,523.41
  5. Step 5: Solve for x
    x = 33,946,141,523.41/202,180.48
  6. Step 6: Final answer
    x = 167,900.19

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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.