Home / 194,151.06-291,107.66-75,684

Finding the Fourth Proportional to 194,151.06, 291,107.66 and 75,684

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Solution

The fourth proportional to 194,151.06, 291,107.66 and 75,684 is: 113,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,151.06 : 291,107.66 = 75,684 : x
  2. Step 2: Convert to fraction form
    194,151.06/291,107.66 = 75,684/x
  3. Step 3: Cross multiply
    194,151.06x = 291,107.66 × 75,684
  4. Step 4: Simplify right side
    194,151.06x = 22,032,191,761.02
  5. Step 5: Solve for x
    x = 22,032,191,761.02/194,151.06
  6. Step 6: Final answer
    x = 113,479.64

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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.