Home / 194,414.60-291,621.90-69,739.40

Finding the Fourth Proportional to 194,414.60, 291,621.90 and 69,739.40

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Solution

The fourth proportional to 194,414.60, 291,621.90 and 69,739.40 is: 104,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,414.60 : 291,621.90 = 69,739.40 : x
  2. Step 2: Convert to fraction form
    194,414.60/291,621.90 = 69,739.40/x
  3. Step 3: Cross multiply
    194,414.60x = 291,621.90 × 69,739.40
  4. Step 4: Simplify right side
    194,414.60x = 20,337,536,332.86
  5. Step 5: Solve for x
    x = 20,337,536,332.86/194,414.60
  6. Step 6: Final answer
    x = 104,609.10

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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.