Home / 105,571.56-158,394.58-70,173.48

Finding the Fourth Proportional to 105,571.56, 158,394.58 and 70,173.48

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Solution

The fourth proportional to 105,571.56, 158,394.58 and 70,173.48 is: 105,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.56 : 158,394.58 = 70,173.48 : x
  2. Step 2: Convert to fraction form
    105,571.56/158,394.58 = 70,173.48/x
  3. Step 3: Cross multiply
    105,571.56x = 158,394.58 × 70,173.48
  4. Step 4: Simplify right side
    105,571.56x = 11,115,098,891.74
  5. Step 5: Solve for x
    x = 11,115,098,891.74/105,571.56
  6. Step 6: Final answer
    x = 105,284.97

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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.