Home / 113,551.77-155,566.66-109,295.33

Finding the Fourth Proportional to 113,551.77, 155,566.66 and 109,295.33

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Solution

The fourth proportional to 113,551.77, 155,566.66 and 109,295.33 is: 149,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,551.77 : 155,566.66 = 109,295.33 : x
  2. Step 2: Convert to fraction form
    113,551.77/155,566.66 = 109,295.33/x
  3. Step 3: Cross multiply
    113,551.77x = 155,566.66 × 109,295.33
  4. Step 4: Simplify right side
    113,551.77x = 17,002,709,056.64
  5. Step 5: Solve for x
    x = 17,002,709,056.64/113,551.77
  6. Step 6: Final answer
    x = 149,735.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.