Home / 194,111.27-291,165.21-53,869.89

Finding the Fourth Proportional to 194,111.27, 291,165.21 and 53,869.89

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Solution

The fourth proportional to 194,111.27, 291,165.21 and 53,869.89 is: 80,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,111.27 : 291,165.21 = 53,869.89 : x
  2. Step 2: Convert to fraction form
    194,111.27/291,165.21 = 53,869.89/x
  3. Step 3: Cross multiply
    194,111.27x = 291,165.21 × 53,869.89
  4. Step 4: Simplify right side
    194,111.27x = 15,685,037,834.53
  5. Step 5: Solve for x
    x = 15,685,037,834.53/194,111.27
  6. Step 6: Final answer
    x = 80,804.37

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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.