Home / 195,826.21-270,237.87-109,784.77

Finding the Fourth Proportional to 195,826.21, 270,237.87 and 109,784.77

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Solution

The fourth proportional to 195,826.21, 270,237.87 and 109,784.77 is: 151,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,826.21 : 270,237.87 = 109,784.77 : x
  2. Step 2: Convert to fraction form
    195,826.21/270,237.87 = 109,784.77/x
  3. Step 3: Cross multiply
    195,826.21x = 270,237.87 × 109,784.77
  4. Step 4: Simplify right side
    195,826.21x = 29,668,001,727.65
  5. Step 5: Solve for x
    x = 29,668,001,727.65/195,826.21
  6. Step 6: Final answer
    x = 151,501.69

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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.