Home / 156,035.20-234,052.80-132,415.60

Finding the Fourth Proportional to 156,035.20, 234,052.80 and 132,415.60

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Solution

The fourth proportional to 156,035.20, 234,052.80 and 132,415.60 is: 198,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,035.20 : 234,052.80 = 132,415.60 : x
  2. Step 2: Convert to fraction form
    156,035.20/234,052.80 = 132,415.60/x
  3. Step 3: Cross multiply
    156,035.20x = 234,052.80 × 132,415.60
  4. Step 4: Simplify right side
    156,035.20x = 30,992,241,943.68
  5. Step 5: Solve for x
    x = 30,992,241,943.68/156,035.20
  6. Step 6: Final answer
    x = 198,623.40

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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.