Home / 110,768.04-166,150.80-75,141.10

Finding the Fourth Proportional to 110,768.04, 166,150.80 and 75,141.10

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Solution

The fourth proportional to 110,768.04, 166,150.80 and 75,141.10 is: 112,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,768.04 : 166,150.80 = 75,141.10 : x
  2. Step 2: Convert to fraction form
    110,768.04/166,150.80 = 75,141.10/x
  3. Step 3: Cross multiply
    110,768.04x = 166,150.80 × 75,141.10
  4. Step 4: Simplify right side
    110,768.04x = 12,484,753,877.88
  5. Step 5: Solve for x
    x = 12,484,753,877.88/110,768.04
  6. Step 6: Final answer
    x = 112,710.80

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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.