Home / 105,946.56-158,917.38-53,341.92

Finding the Fourth Proportional to 105,946.56, 158,917.38 and 53,341.92

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Solution

The fourth proportional to 105,946.56, 158,917.38 and 53,341.92 is: 80,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,946.56 : 158,917.38 = 53,341.92 : x
  2. Step 2: Convert to fraction form
    105,946.56/158,917.38 = 53,341.92/x
  3. Step 3: Cross multiply
    105,946.56x = 158,917.38 × 53,341.92
  4. Step 4: Simplify right side
    105,946.56x = 8,476,958,170.57
  5. Step 5: Solve for x
    x = 8,476,958,170.57/105,946.56
  6. Step 6: Final answer
    x = 80,011.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.