Home / 189,147.83-261,025.80-104,267.93

Finding the Fourth Proportional to 189,147.83, 261,025.80 and 104,267.93

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Solution

The fourth proportional to 189,147.83, 261,025.80 and 104,267.93 is: 143,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147.83 : 261,025.80 = 104,267.93 : x
  2. Step 2: Convert to fraction form
    189,147.83/261,025.80 = 104,267.93/x
  3. Step 3: Cross multiply
    189,147.83x = 261,025.80 × 104,267.93
  4. Step 4: Simplify right side
    189,147.83x = 27,216,619,842.59
  5. Step 5: Solve for x
    x = 27,216,619,842.59/189,147.83
  6. Step 6: Final answer
    x = 143,890.73

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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.