Home / 113,523.12-155,527.44-109,266.66

Finding the Fourth Proportional to 113,523.12, 155,527.44 and 109,266.66

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Solution

The fourth proportional to 113,523.12, 155,527.44 and 109,266.66 is: 149,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,523.12 : 155,527.44 = 109,266.66 : x
  2. Step 2: Convert to fraction form
    113,523.12/155,527.44 = 109,266.66/x
  3. Step 3: Cross multiply
    113,523.12x = 155,527.44 × 109,266.66
  4. Step 4: Simplify right side
    113,523.12x = 16,993,963,907.15
  5. Step 5: Solve for x
    x = 16,993,963,907.15/113,523.12
  6. Step 6: Final answer
    x = 149,696.06

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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.