Home / 124,512.36-186,626.98-109,490.05

Finding the Fourth Proportional to 124,512.36, 186,626.98 and 109,490.05

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Solution

The fourth proportional to 124,512.36, 186,626.98 and 109,490.05 is: 164,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,512.36 : 186,626.98 = 109,490.05 : x
  2. Step 2: Convert to fraction form
    124,512.36/186,626.98 = 109,490.05/x
  3. Step 3: Cross multiply
    124,512.36x = 186,626.98 × 109,490.05
  4. Step 4: Simplify right side
    124,512.36x = 20,433,796,383.98
  5. Step 5: Solve for x
    x = 20,433,796,383.98/124,512.36
  6. Step 6: Final answer
    x = 164,110.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.