Home / 144,986.68-217,437.90-51,519.16

Finding the Fourth Proportional to 144,986.68, 217,437.90 and 51,519.16

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Solution

The fourth proportional to 144,986.68, 217,437.90 and 51,519.16 is: 77,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,986.68 : 217,437.90 = 51,519.16 : x
  2. Step 2: Convert to fraction form
    144,986.68/217,437.90 = 51,519.16/x
  3. Step 3: Cross multiply
    144,986.68x = 217,437.90 × 51,519.16
  4. Step 4: Simplify right side
    144,986.68x = 11,202,217,960.16
  5. Step 5: Solve for x
    x = 11,202,217,960.16/144,986.68
  6. Step 6: Final answer
    x = 77,263.77

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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.