Home / 147,157.22-220,690.58-47,290.60

Finding the Fourth Proportional to 147,157.22, 220,690.58 and 47,290.60

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Solution

The fourth proportional to 147,157.22, 220,690.58 and 47,290.60 is: 70,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,157.22 : 220,690.58 = 47,290.60 : x
  2. Step 2: Convert to fraction form
    147,157.22/220,690.58 = 47,290.60/x
  3. Step 3: Cross multiply
    147,157.22x = 220,690.58 × 47,290.60
  4. Step 4: Simplify right side
    147,157.22x = 10,436,589,981.96
  5. Step 5: Solve for x
    x = 10,436,589,981.96/147,157.22
  6. Step 6: Final answer
    x = 70,921.36

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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.