Home / 191,279.16-263,964.42-106,396.02

Finding the Fourth Proportional to 191,279.16, 263,964.42 and 106,396.02

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Solution

The fourth proportional to 191,279.16, 263,964.42 and 106,396.02 is: 146,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,279.16 : 263,964.42 = 106,396.02 : x
  2. Step 2: Convert to fraction form
    191,279.16/263,964.42 = 106,396.02/x
  3. Step 3: Cross multiply
    191,279.16x = 263,964.42 × 106,396.02
  4. Step 4: Simplify right side
    191,279.16x = 28,084,763,709.61
  5. Step 5: Solve for x
    x = 28,084,763,709.61/191,279.16
  6. Step 6: Final answer
    x = 146,826.05

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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.