Home / 189,468.14-261,466.05-104,585.21

Finding the Fourth Proportional to 189,468.14, 261,466.05 and 104,585.21

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Solution

The fourth proportional to 189,468.14, 261,466.05 and 104,585.21 is: 144,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,468.14 : 261,466.05 = 104,585.21 : x
  2. Step 2: Convert to fraction form
    189,468.14/261,466.05 = 104,585.21/x
  3. Step 3: Cross multiply
    189,468.14x = 261,466.05 × 104,585.21
  4. Step 4: Simplify right side
    189,468.14x = 27,345,481,747.12
  5. Step 5: Solve for x
    x = 27,345,481,747.12/189,468.14
  6. Step 6: Final answer
    x = 144,327.60

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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.