Home / 191,917.90-264,847.16-107,040.43

Finding the Fourth Proportional to 191,917.90, 264,847.16 and 107,040.43

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Solution

The fourth proportional to 191,917.90, 264,847.16 and 107,040.43 is: 147,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,917.90 : 264,847.16 = 107,040.43 : x
  2. Step 2: Convert to fraction form
    191,917.90/264,847.16 = 107,040.43/x
  3. Step 3: Cross multiply
    191,917.90x = 264,847.16 × 107,040.43
  4. Step 4: Simplify right side
    191,917.90x = 28,349,352,031.24
  5. Step 5: Solve for x
    x = 28,349,352,031.24/191,917.90
  6. Step 6: Final answer
    x = 147,716.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.