Home / 189,741.52-261,833.07-104,853.52

Finding the Fourth Proportional to 189,741.52, 261,833.07 and 104,853.52

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Solution

The fourth proportional to 189,741.52, 261,833.07 and 104,853.52 is: 144,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.52 : 261,833.07 = 104,853.52 : x
  2. Step 2: Convert to fraction form
    189,741.52/261,833.07 = 104,853.52/x
  3. Step 3: Cross multiply
    189,741.52x = 261,833.07 × 104,853.52
  4. Step 4: Simplify right side
    189,741.52x = 27,454,119,041.91
  5. Step 5: Solve for x
    x = 27,454,119,041.91/189,741.52
  6. Step 6: Final answer
    x = 144,692.21

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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.