Home / 194,577.64-291,880.86-69,919.72

Finding the Fourth Proportional to 194,577.64, 291,880.86 and 69,919.72

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Solution

The fourth proportional to 194,577.64, 291,880.86 and 69,919.72 is: 104,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,577.64 : 291,880.86 = 69,919.72 : x
  2. Step 2: Convert to fraction form
    194,577.64/291,880.86 = 69,919.72/x
  3. Step 3: Cross multiply
    194,577.64x = 291,880.86 × 69,919.72
  4. Step 4: Simplify right side
    194,577.64x = 20,408,228,004.56
  5. Step 5: Solve for x
    x = 20,408,228,004.56/194,577.64
  6. Step 6: Final answer
    x = 104,884.75

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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.