Home / 191,011.05-263,602.62-104,977.35

Finding the Fourth Proportional to 191,011.05, 263,602.62 and 104,977.35

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Solution

The fourth proportional to 191,011.05, 263,602.62 and 104,977.35 is: 144,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.05 : 263,602.62 = 104,977.35 : x
  2. Step 2: Convert to fraction form
    191,011.05/263,602.62 = 104,977.35/x
  3. Step 3: Cross multiply
    191,011.05x = 263,602.62 × 104,977.35
  4. Step 4: Simplify right side
    191,011.05x = 27,672,304,500.66
  5. Step 5: Solve for x
    x = 27,672,304,500.66/191,011.05
  6. Step 6: Final answer
    x = 144,872.79

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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.