Home / 191,166.48-263,811.33-105,127.47

Finding the Fourth Proportional to 191,166.48, 263,811.33 and 105,127.47

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Solution

The fourth proportional to 191,166.48, 263,811.33 and 105,127.47 is: 145,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,166.48 : 263,811.33 = 105,127.47 : x
  2. Step 2: Convert to fraction form
    191,166.48/263,811.33 = 105,127.47/x
  3. Step 3: Cross multiply
    191,166.48x = 263,811.33 × 105,127.47
  4. Step 4: Simplify right side
    191,166.48x = 27,733,817,680.24
  5. Step 5: Solve for x
    x = 27,733,817,680.24/191,166.48
  6. Step 6: Final answer
    x = 145,076.78

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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.