Home / 154,325.89-231,472.16-49,136.59

Finding the Fourth Proportional to 154,325.89, 231,472.16 and 49,136.59

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Solution

The fourth proportional to 154,325.89, 231,472.16 and 49,136.59 is: 73,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,325.89 : 231,472.16 = 49,136.59 : x
  2. Step 2: Convert to fraction form
    154,325.89/231,472.16 = 49,136.59/x
  3. Step 3: Cross multiply
    154,325.89x = 231,472.16 × 49,136.59
  4. Step 4: Simplify right side
    154,325.89x = 11,373,751,219.29
  5. Step 5: Solve for x
    x = 11,373,751,219.29/154,325.89
  6. Step 6: Final answer
    x = 73,699.57

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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.