Home / 194,235.40-291,266.70-89,086.60

Finding the Fourth Proportional to 194,235.40, 291,266.70 and 89,086.60

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Solution

The fourth proportional to 194,235.40, 291,266.70 and 89,086.60 is: 133,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,235.40 : 291,266.70 = 89,086.60 : x
  2. Step 2: Convert to fraction form
    194,235.40/291,266.70 = 89,086.60/x
  3. Step 3: Cross multiply
    194,235.40x = 291,266.70 × 89,086.60
  4. Step 4: Simplify right side
    194,235.40x = 25,947,959,996.22
  5. Step 5: Solve for x
    x = 25,947,959,996.22/194,235.40
  6. Step 6: Final answer
    x = 133,590.27

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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.