Home / 194,151.37-291,108.13-75,684.31

Finding the Fourth Proportional to 194,151.37, 291,108.13 and 75,684.31

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Solution

The fourth proportional to 194,151.37, 291,108.13 and 75,684.31 is: 113,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,151.37 : 291,108.13 = 75,684.31 : x
  2. Step 2: Convert to fraction form
    194,151.37/291,108.13 = 75,684.31/x
  3. Step 3: Cross multiply
    194,151.37x = 291,108.13 × 75,684.31
  4. Step 4: Simplify right side
    194,151.37x = 22,032,317,954.44
  5. Step 5: Solve for x
    x = 22,032,317,954.44/194,151.37
  6. Step 6: Final answer
    x = 113,480.11

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1.5x scale

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.