Home / 194,488.05-291,615.42-76,018.26

Finding the Fourth Proportional to 194,488.05, 291,615.42 and 76,018.26

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Solution

The fourth proportional to 194,488.05, 291,615.42 and 76,018.26 is: 113,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,488.05 : 291,615.42 = 76,018.26 : x
  2. Step 2: Convert to fraction form
    194,488.05/291,615.42 = 76,018.26/x
  3. Step 3: Cross multiply
    194,488.05x = 291,615.42 × 76,018.26
  4. Step 4: Simplify right side
    194,488.05x = 22,168,096,817.57
  5. Step 5: Solve for x
    x = 22,168,096,817.57/194,488.05
  6. Step 6: Final answer
    x = 113,981.79

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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.