Home / 191,219.40-263,948.22-115,767.84

Finding the Fourth Proportional to 191,219.40, 263,948.22 and 115,767.84

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Solution

The fourth proportional to 191,219.40, 263,948.22 and 115,767.84 is: 159,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,219.40 : 263,948.22 = 115,767.84 : x
  2. Step 2: Convert to fraction form
    191,219.40/263,948.22 = 115,767.84/x
  3. Step 3: Cross multiply
    191,219.40x = 263,948.22 × 115,767.84
  4. Step 4: Simplify right side
    191,219.40x = 30,556,715,301.24
  5. Step 5: Solve for x
    x = 30,556,715,301.24/191,219.40
  6. Step 6: Final answer
    x = 159,799.24

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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.