Home / 156,732.85-235,200.08-86,662.45

Finding the Fourth Proportional to 156,732.85, 235,200.08 and 86,662.45

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Solution

The fourth proportional to 156,732.85, 235,200.08 and 86,662.45 is: 130,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732.85 : 235,200.08 = 86,662.45 : x
  2. Step 2: Convert to fraction form
    156,732.85/235,200.08 = 86,662.45/x
  3. Step 3: Cross multiply
    156,732.85x = 235,200.08 × 86,662.45
  4. Step 4: Simplify right side
    156,732.85x = 20,383,015,173.00
  5. Step 5: Solve for x
    x = 20,383,015,173.00/156,732.85
  6. Step 6: Final answer
    x = 130,049.41

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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.