Home / 105,629.40-158,444.10-43,344.60

Finding the Fourth Proportional to 105,629.40, 158,444.10 and 43,344.60

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Solution

The fourth proportional to 105,629.40, 158,444.10 and 43,344.60 is: 65,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,629.40 : 158,444.10 = 43,344.60 : x
  2. Step 2: Convert to fraction form
    105,629.40/158,444.10 = 43,344.60/x
  3. Step 3: Cross multiply
    105,629.40x = 158,444.10 × 43,344.60
  4. Step 4: Simplify right side
    105,629.40x = 6,867,696,136.86
  5. Step 5: Solve for x
    x = 6,867,696,136.86/105,629.40
  6. Step 6: Final answer
    x = 65,016.90

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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.