Home / 309,919.29-464,878.17-174,922.16

Finding the Fourth Proportional to 309,919.29, 464,878.17 and 174,922.16

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Solution

The fourth proportional to 309,919.29, 464,878.17 and 174,922.16 is: 262,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,919.29 : 464,878.17 = 174,922.16 : x
  2. Step 2: Convert to fraction form
    309,919.29/464,878.17 = 174,922.16/x
  3. Step 3: Cross multiply
    309,919.29x = 464,878.17 × 174,922.16
  4. Step 4: Simplify right side
    309,919.29x = 81,317,491,308.86
  5. Step 5: Solve for x
    x = 81,317,491,308.86/309,919.29
  6. Step 6: Final answer
    x = 262,382.80

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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.