Home / 144,846.74-199,886.86-81,183.18

Finding the Fourth Proportional to 144,846.74, 199,886.86 and 81,183.18

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Solution

The fourth proportional to 144,846.74, 199,886.86 and 81,183.18 is: 112,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,846.74 : 199,886.86 = 81,183.18 : x
  2. Step 2: Convert to fraction form
    144,846.74/199,886.86 = 81,183.18/x
  3. Step 3: Cross multiply
    144,846.74x = 199,886.86 × 81,183.18
  4. Step 4: Simplify right side
    144,846.74x = 16,227,450,935.01
  5. Step 5: Solve for x
    x = 16,227,450,935.01/144,846.74
  6. Step 6: Final answer
    x = 112,031.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.