Home / 147,272.12-220,903.77-40,662.60

Finding the Fourth Proportional to 147,272.12, 220,903.77 and 40,662.60

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Solution

The fourth proportional to 147,272.12, 220,903.77 and 40,662.60 is: 60,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,272.12 : 220,903.77 = 40,662.60 : x
  2. Step 2: Convert to fraction form
    147,272.12/220,903.77 = 40,662.60/x
  3. Step 3: Cross multiply
    147,272.12x = 220,903.77 × 40,662.60
  4. Step 4: Simplify right side
    147,272.12x = 8,982,520,809.61
  5. Step 5: Solve for x
    x = 8,982,520,809.61/147,272.12
  6. Step 6: Final answer
    x = 60,992.68

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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.