Home / 191,100.72-263,724.14-105,063.33

Finding the Fourth Proportional to 191,100.72, 263,724.14 and 105,063.33

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Solution

The fourth proportional to 191,100.72, 263,724.14 and 105,063.33 is: 144,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,100.72 : 263,724.14 = 105,063.33 : x
  2. Step 2: Convert to fraction form
    191,100.72/263,724.14 = 105,063.33/x
  3. Step 3: Cross multiply
    191,100.72x = 263,724.14 × 105,063.33
  4. Step 4: Simplify right side
    191,100.72x = 27,707,736,097.40
  5. Step 5: Solve for x
    x = 27,707,736,097.40/191,100.72
  6. Step 6: Final answer
    x = 144,990.22

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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.