Home / 169,857.47-234,426.05-109,603.30

Finding the Fourth Proportional to 169,857.47, 234,426.05 and 109,603.30

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Solution

The fourth proportional to 169,857.47, 234,426.05 and 109,603.30 is: 151,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.47 : 234,426.05 = 109,603.30 : x
  2. Step 2: Convert to fraction form
    169,857.47/234,426.05 = 109,603.30/x
  3. Step 3: Cross multiply
    169,857.47x = 234,426.05 × 109,603.30
  4. Step 4: Simplify right side
    169,857.47x = 25,693,867,513.83
  5. Step 5: Solve for x
    x = 25,693,867,513.83/169,857.47
  6. Step 6: Final answer
    x = 151,267.22

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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.