Home / 188,985.06-260,800.08-104,101.92

Finding the Fourth Proportional to 188,985.06, 260,800.08 and 104,101.92

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Solution

The fourth proportional to 188,985.06, 260,800.08 and 104,101.92 is: 143,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,985.06 : 260,800.08 = 104,101.92 : x
  2. Step 2: Convert to fraction form
    188,985.06/260,800.08 = 104,101.92/x
  3. Step 3: Cross multiply
    188,985.06x = 260,800.08 × 104,101.92
  4. Step 4: Simplify right side
    188,985.06x = 27,149,789,064.15
  5. Step 5: Solve for x
    x = 27,149,789,064.15/188,985.06
  6. Step 6: Final answer
    x = 143,661.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.