Home / 190,854.96-263,387.88-105,979.92

Finding the Fourth Proportional to 190,854.96, 263,387.88 and 105,979.92

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Solution

The fourth proportional to 190,854.96, 263,387.88 and 105,979.92 is: 146,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,854.96 : 263,387.88 = 105,979.92 : x
  2. Step 2: Convert to fraction form
    190,854.96/263,387.88 = 105,979.92/x
  3. Step 3: Cross multiply
    190,854.96x = 263,387.88 × 105,979.92
  4. Step 4: Simplify right side
    190,854.96x = 27,913,826,451.37
  5. Step 5: Solve for x
    x = 27,913,826,451.37/190,854.96
  6. Step 6: Final answer
    x = 146,256.75

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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.