Home / 194,334.66-291,460.68-81,971.46

Finding the Fourth Proportional to 194,334.66, 291,460.68 and 81,971.46

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Solution

The fourth proportional to 194,334.66, 291,460.68 and 81,971.46 is: 122,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,334.66 : 291,460.68 = 81,971.46 : x
  2. Step 2: Convert to fraction form
    194,334.66/291,460.68 = 81,971.46/x
  3. Step 3: Cross multiply
    194,334.66x = 291,460.68 × 81,971.46
  4. Step 4: Simplify right side
    194,334.66x = 23,891,457,472.19
  5. Step 5: Solve for x
    x = 23,891,457,472.19/194,334.66
  6. Step 6: Final answer
    x = 122,939.77

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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.