Home / 352,685.28-529,150.80-131,132.64

Finding the Fourth Proportional to 352,685.28, 529,150.80 and 131,132.64

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Solution

The fourth proportional to 352,685.28, 529,150.80 and 131,132.64 is: 196,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,685.28 : 529,150.80 = 131,132.64 : x
  2. Step 2: Convert to fraction form
    352,685.28/529,150.80 = 131,132.64/x
  3. Step 3: Cross multiply
    352,685.28x = 529,150.80 × 131,132.64
  4. Step 4: Simplify right side
    352,685.28x = 69,388,941,362.11
  5. Step 5: Solve for x
    x = 69,388,941,362.11/352,685.28
  6. Step 6: Final answer
    x = 196,744.65

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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.