Home / 191,134.61-263,772.53-105,100.14

Finding the Fourth Proportional to 191,134.61, 263,772.53 and 105,100.14

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Solution

The fourth proportional to 191,134.61, 263,772.53 and 105,100.14 is: 145,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,134.61 : 263,772.53 = 105,100.14 : x
  2. Step 2: Convert to fraction form
    191,134.61/263,772.53 = 105,100.14/x
  3. Step 3: Cross multiply
    191,134.61x = 263,772.53 × 105,100.14
  4. Step 4: Simplify right side
    191,134.61x = 27,722,530,688.93
  5. Step 5: Solve for x
    x = 27,722,530,688.93/191,134.61
  6. Step 6: Final answer
    x = 145,041.92

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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.