Home / 194,291.08-291,319.92-131,772.04

Finding the Fourth Proportional to 194,291.08, 291,319.92 and 131,772.04

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Solution

The fourth proportional to 194,291.08, 291,319.92 and 131,772.04 is: 197,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,291.08 : 291,319.92 = 131,772.04 : x
  2. Step 2: Convert to fraction form
    194,291.08/291,319.92 = 131,772.04/x
  3. Step 3: Cross multiply
    194,291.08x = 291,319.92 × 131,772.04
  4. Step 4: Simplify right side
    194,291.08x = 38,387,820,151.04
  5. Step 5: Solve for x
    x = 38,387,820,151.04/194,291.08
  6. Step 6: Final answer
    x = 197,578.91

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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.