Home / 169,857.73-234,426.40-109,603.55

Finding the Fourth Proportional to 169,857.73, 234,426.40 and 109,603.55

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Solution

The fourth proportional to 169,857.73, 234,426.40 and 109,603.55 is: 151,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.73 : 234,426.40 = 109,603.55 : x
  2. Step 2: Convert to fraction form
    169,857.73/234,426.40 = 109,603.55/x
  3. Step 3: Cross multiply
    169,857.73x = 234,426.40 × 109,603.55
  4. Step 4: Simplify right side
    169,857.73x = 25,693,963,933.57
  5. Step 5: Solve for x
    x = 25,693,963,933.57/169,857.73
  6. Step 6: Final answer
    x = 151,267.56

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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.