Home / 191,119.38-263,721.84-105,064.20

Finding the Fourth Proportional to 191,119.38, 263,721.84 and 105,064.20

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Solution

The fourth proportional to 191,119.38, 263,721.84 and 105,064.20 is: 144,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,119.38 : 263,721.84 = 105,064.20 : x
  2. Step 2: Convert to fraction form
    191,119.38/263,721.84 = 105,064.20/x
  3. Step 3: Cross multiply
    191,119.38x = 263,721.84 × 105,064.20
  4. Step 4: Simplify right side
    191,119.38x = 27,707,724,142.13
  5. Step 5: Solve for x
    x = 27,707,724,142.13/191,119.38
  6. Step 6: Final answer
    x = 144,976.00

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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.