Home / 202,214.17-279,057.09-111,573.46

Finding the Fourth Proportional to 202,214.17, 279,057.09 and 111,573.46

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Solution

The fourth proportional to 202,214.17, 279,057.09 and 111,573.46 is: 153,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,214.17 : 279,057.09 = 111,573.46 : x
  2. Step 2: Convert to fraction form
    202,214.17/279,057.09 = 111,573.46/x
  3. Step 3: Cross multiply
    202,214.17x = 279,057.09 × 111,573.46
  4. Step 4: Simplify right side
    202,214.17x = 31,135,365,068.83
  5. Step 5: Solve for x
    x = 31,135,365,068.83/202,214.17
  6. Step 6: Final answer
    x = 153,972.22

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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.