Home / 194,464.20-291,113.10-115,537.80

Finding the Fourth Proportional to 194,464.20, 291,113.10 and 115,537.80

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Solution

The fourth proportional to 194,464.20, 291,113.10 and 115,537.80 is: 172,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,464.20 : 291,113.10 = 115,537.80 : x
  2. Step 2: Convert to fraction form
    194,464.20/291,113.10 = 115,537.80/x
  3. Step 3: Cross multiply
    194,464.20x = 291,113.10 × 115,537.80
  4. Step 4: Simplify right side
    194,464.20x = 33,634,567,125.18
  5. Step 5: Solve for x
    x = 33,634,567,125.18/194,464.20
  6. Step 6: Final answer
    x = 172,960.20

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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.