Home / 144,583.65-199,526.12-80,933.75

Finding the Fourth Proportional to 144,583.65, 199,526.12 and 80,933.75

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Solution

The fourth proportional to 144,583.65, 199,526.12 and 80,933.75 is: 111,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,583.65 : 199,526.12 = 80,933.75 : x
  2. Step 2: Convert to fraction form
    144,583.65/199,526.12 = 80,933.75/x
  3. Step 3: Cross multiply
    144,583.65x = 199,526.12 × 80,933.75
  4. Step 4: Simplify right side
    144,583.65x = 16,148,395,712.25
  5. Step 5: Solve for x
    x = 16,148,395,712.25/144,583.65
  6. Step 6: Final answer
    x = 111,688.95

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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.