Home / 194,501.08-291,634.98-89,188.12

Finding the Fourth Proportional to 194,501.08, 291,634.98 and 89,188.12

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Solution

The fourth proportional to 194,501.08, 291,634.98 and 89,188.12 is: 133,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,501.08 : 291,634.98 = 89,188.12 : x
  2. Step 2: Convert to fraction form
    194,501.08/291,634.98 = 89,188.12/x
  3. Step 3: Cross multiply
    194,501.08x = 291,634.98 × 89,188.12
  4. Step 4: Simplify right side
    194,501.08x = 26,010,375,592.44
  5. Step 5: Solve for x
    x = 26,010,375,592.44/194,501.08
  6. Step 6: Final answer
    x = 133,728.69

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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.