Home / 189,200.77-261,098.83-104,320.85

Finding the Fourth Proportional to 189,200.77, 261,098.83 and 104,320.85

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Solution

The fourth proportional to 189,200.77, 261,098.83 and 104,320.85 is: 143,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200.77 : 261,098.83 = 104,320.85 : x
  2. Step 2: Convert to fraction form
    189,200.77/261,098.83 = 104,320.85/x
  3. Step 3: Cross multiply
    189,200.77x = 261,098.83 × 104,320.85
  4. Step 4: Simplify right side
    189,200.77x = 27,238,051,879.61
  5. Step 5: Solve for x
    x = 27,238,051,879.61/189,200.77
  6. Step 6: Final answer
    x = 143,963.75

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1.5x scale

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.