Home / 191,185.62-263,842.91-105,151.24

Finding the Fourth Proportional to 191,185.62, 263,842.91 and 105,151.24

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Solution

The fourth proportional to 191,185.62, 263,842.91 and 105,151.24 is: 145,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,185.62 : 263,842.91 = 105,151.24 : x
  2. Step 2: Convert to fraction form
    191,185.62/263,842.91 = 105,151.24/x
  3. Step 3: Cross multiply
    191,185.62x = 263,842.91 × 105,151.24
  4. Step 4: Simplify right side
    191,185.62x = 27,743,409,151.71
  5. Step 5: Solve for x
    x = 27,743,409,151.71/191,185.62
  6. Step 6: Final answer
    x = 145,112.43

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1.5x scale

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.