Home / 144,706.32-199,685.52-81,043.56

Finding the Fourth Proportional to 144,706.32, 199,685.52 and 81,043.56

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Solution

The fourth proportional to 144,706.32, 199,685.52 and 81,043.56 is: 111,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706.32 : 199,685.52 = 81,043.56 : x
  2. Step 2: Convert to fraction form
    144,706.32/199,685.52 = 81,043.56/x
  3. Step 3: Cross multiply
    144,706.32x = 199,685.52 × 81,043.56
  4. Step 4: Simplify right side
    144,706.32x = 16,183,225,421.25
  5. Step 5: Solve for x
    x = 16,183,225,421.25/144,706.32
  6. Step 6: Final answer
    x = 111,834.96

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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.