Home / 194,917.18-291,850.09-127,281.67

Finding the Fourth Proportional to 194,917.18, 291,850.09 and 127,281.67

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Solution

The fourth proportional to 194,917.18, 291,850.09 and 127,281.67 is: 190,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,917.18 : 291,850.09 = 127,281.67 : x
  2. Step 2: Convert to fraction form
    194,917.18/291,850.09 = 127,281.67/x
  3. Step 3: Cross multiply
    194,917.18x = 291,850.09 × 127,281.67
  4. Step 4: Simplify right side
    194,917.18x = 37,147,166,844.85
  5. Step 5: Solve for x
    x = 37,147,166,844.85/194,917.18
  6. Step 6: Final answer
    x = 190,579.23

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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.