Home / 110,823.80-166,127.70-63,390.20

Finding the Fourth Proportional to 110,823.80, 166,127.70 and 63,390.20

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Solution

The fourth proportional to 110,823.80, 166,127.70 and 63,390.20 is: 95,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,823.80 : 166,127.70 = 63,390.20 : x
  2. Step 2: Convert to fraction form
    110,823.80/166,127.70 = 63,390.20/x
  3. Step 3: Cross multiply
    110,823.80x = 166,127.70 × 63,390.20
  4. Step 4: Simplify right side
    110,823.80x = 10,530,868,128.54
  5. Step 5: Solve for x
    x = 10,530,868,128.54/110,823.80
  6. Step 6: Final answer
    x = 95,023.52

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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.