Home / 110,986.14-166,840.08-89,039.60

Finding the Fourth Proportional to 110,986.14, 166,840.08 and 89,039.60

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Solution

The fourth proportional to 110,986.14, 166,840.08 and 89,039.60 is: 133,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,986.14 : 166,840.08 = 89,039.60 : x
  2. Step 2: Convert to fraction form
    110,986.14/166,840.08 = 89,039.60/x
  3. Step 3: Cross multiply
    110,986.14x = 166,840.08 × 89,039.60
  4. Step 4: Simplify right side
    110,986.14x = 14,855,373,987.17
  5. Step 5: Solve for x
    x = 14,855,373,987.17/110,986.14
  6. Step 6: Final answer
    x = 133,848.91

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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.