Home / 105,708.12-158,251.14-70,560.60

Finding the Fourth Proportional to 105,708.12, 158,251.14 and 70,560.60

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Solution

The fourth proportional to 105,708.12, 158,251.14 and 70,560.60 is: 105,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708.12 : 158,251.14 = 70,560.60 : x
  2. Step 2: Convert to fraction form
    105,708.12/158,251.14 = 70,560.60/x
  3. Step 3: Cross multiply
    105,708.12x = 158,251.14 × 70,560.60
  4. Step 4: Simplify right side
    105,708.12x = 11,166,295,389.08
  5. Step 5: Solve for x
    x = 11,166,295,389.08/105,708.12
  6. Step 6: Final answer
    x = 105,633.28

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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.