Home / 194,072.09-291,108.11-53,830.71

Finding the Fourth Proportional to 194,072.09, 291,108.11 and 53,830.71

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Solution

The fourth proportional to 194,072.09, 291,108.11 and 53,830.71 is: 80,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,072.09 : 291,108.11 = 53,830.71 : x
  2. Step 2: Convert to fraction form
    194,072.09/291,108.11 = 53,830.71/x
  3. Step 3: Cross multiply
    194,072.09x = 291,108.11 × 53,830.71
  4. Step 4: Simplify right side
    194,072.09x = 15,670,555,978.90
  5. Step 5: Solve for x
    x = 15,670,555,978.90/194,072.09
  6. Step 6: Final answer
    x = 80,746.06

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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.