Home / 169,857.60-234,426.23-109,603.42

Finding the Fourth Proportional to 169,857.60, 234,426.23 and 109,603.42

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Solution

The fourth proportional to 169,857.60, 234,426.23 and 109,603.42 is: 151,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.60 : 234,426.23 = 109,603.42 : x
  2. Step 2: Convert to fraction form
    169,857.60/234,426.23 = 109,603.42/x
  3. Step 3: Cross multiply
    169,857.60x = 234,426.23 × 109,603.42
  4. Step 4: Simplify right side
    169,857.60x = 25,693,915,997.69
  5. Step 5: Solve for x
    x = 25,693,915,997.69/169,857.60
  6. Step 6: Final answer
    x = 151,267.39

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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.