Home / 144,757.49-217,139.26-39,575.81

Finding the Fourth Proportional to 144,757.49, 217,139.26 and 39,575.81

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Solution

The fourth proportional to 144,757.49, 217,139.26 and 39,575.81 is: 59,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,757.49 : 217,139.26 = 39,575.81 : x
  2. Step 2: Convert to fraction form
    144,757.49/217,139.26 = 39,575.81/x
  3. Step 3: Cross multiply
    144,757.49x = 217,139.26 × 39,575.81
  4. Step 4: Simplify right side
    144,757.49x = 8,593,461,899.42
  5. Step 5: Solve for x
    x = 8,593,461,899.42/144,757.49
  6. Step 6: Final answer
    x = 59,364.54

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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.