Home / 144,219.12-216,270.24-59,922

Finding the Fourth Proportional to 144,219.12, 216,270.24 and 59,922

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Solution

The fourth proportional to 144,219.12, 216,270.24 and 59,922 is: 89,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,219.12 : 216,270.24 = 59,922 : x
  2. Step 2: Convert to fraction form
    144,219.12/216,270.24 = 59,922/x
  3. Step 3: Cross multiply
    144,219.12x = 216,270.24 × 59,922
  4. Step 4: Simplify right side
    144,219.12x = 12,959,345,321.28
  5. Step 5: Solve for x
    x = 12,959,345,321.28/144,219.12
  6. Step 6: Final answer
    x = 89,858.72

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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.