Home / 110,838.55-166,257.83-66,515.35

Finding the Fourth Proportional to 110,838.55, 166,257.83 and 66,515.35

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Solution

The fourth proportional to 110,838.55, 166,257.83 and 66,515.35 is: 99,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,838.55 : 166,257.83 = 66,515.35 : x
  2. Step 2: Convert to fraction form
    110,838.55/166,257.83 = 66,515.35/x
  3. Step 3: Cross multiply
    110,838.55x = 166,257.83 × 66,515.35
  4. Step 4: Simplify right side
    110,838.55x = 11,058,697,420.11
  5. Step 5: Solve for x
    x = 11,058,697,420.11/110,838.55
  6. Step 6: Final answer
    x = 99,773.03

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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.