Home / 104,864.72-157,165.73-82,590.13

Finding the Fourth Proportional to 104,864.72, 157,165.73 and 82,590.13

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Solution

The fourth proportional to 104,864.72, 157,165.73 and 82,590.13 is: 123,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,864.72 : 157,165.73 = 82,590.13 : x
  2. Step 2: Convert to fraction form
    104,864.72/157,165.73 = 82,590.13/x
  3. Step 3: Cross multiply
    104,864.72x = 157,165.73 × 82,590.13
  4. Step 4: Simplify right side
    104,864.72x = 12,980,336,873.47
  5. Step 5: Solve for x
    x = 12,980,336,873.47/104,864.72
  6. Step 6: Final answer
    x = 123,781.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.