Home / 202,181.85-279,010.15-111,543.46

Finding the Fourth Proportional to 202,181.85, 279,010.15 and 111,543.46

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Solution

The fourth proportional to 202,181.85, 279,010.15 and 111,543.46 is: 153,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,181.85 : 279,010.15 = 111,543.46 : x
  2. Step 2: Convert to fraction form
    202,181.85/279,010.15 = 111,543.46/x
  3. Step 3: Cross multiply
    202,181.85x = 279,010.15 × 111,543.46
  4. Step 4: Simplify right side
    202,181.85x = 31,121,756,529.74
  5. Step 5: Solve for x
    x = 31,121,756,529.74/202,181.85
  6. Step 6: Final answer
    x = 153,929.53

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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.