Home / 156,882.75-234,949.96-85,699.14

Finding the Fourth Proportional to 156,882.75, 234,949.96 and 85,699.14

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Solution

The fourth proportional to 156,882.75, 234,949.96 and 85,699.14 is: 128,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,882.75 : 234,949.96 = 85,699.14 : x
  2. Step 2: Convert to fraction form
    156,882.75/234,949.96 = 85,699.14/x
  3. Step 3: Cross multiply
    156,882.75x = 234,949.96 × 85,699.14
  4. Step 4: Simplify right side
    156,882.75x = 20,135,009,515.03
  5. Step 5: Solve for x
    x = 20,135,009,515.03/156,882.75
  6. Step 6: Final answer
    x = 128,344.32

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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.