Home / 191,110.22-263,732.27-105,070.66

Finding the Fourth Proportional to 191,110.22, 263,732.27 and 105,070.66

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Solution

The fourth proportional to 191,110.22, 263,732.27 and 105,070.66 is: 144,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,110.22 : 263,732.27 = 105,070.66 : x
  2. Step 2: Convert to fraction form
    191,110.22/263,732.27 = 105,070.66/x
  3. Step 3: Cross multiply
    191,110.22x = 263,732.27 × 105,070.66
  4. Step 4: Simplify right side
    191,110.22x = 27,710,524,932.90
  5. Step 5: Solve for x
    x = 27,710,524,932.90/191,110.22
  6. Step 6: Final answer
    x = 144,997.61

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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.