Home / 144,371.16-216,568.89-53,211.33

Finding the Fourth Proportional to 144,371.16, 216,568.89 and 53,211.33

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Solution

The fourth proportional to 144,371.16, 216,568.89 and 53,211.33 is: 79,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,371.16 : 216,568.89 = 53,211.33 : x
  2. Step 2: Convert to fraction form
    144,371.16/216,568.89 = 53,211.33/x
  3. Step 3: Cross multiply
    144,371.16x = 216,568.89 × 53,211.33
  4. Step 4: Simplify right side
    144,371.16x = 11,523,918,673.52
  5. Step 5: Solve for x
    x = 11,523,918,673.52/144,371.16
  6. Step 6: Final answer
    x = 79,821.47

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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.