Home / 192,505.08-288,772.20-52,274.64

Finding the Fourth Proportional to 192,505.08, 288,772.20 and 52,274.64

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Solution

The fourth proportional to 192,505.08, 288,772.20 and 52,274.64 is: 78,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,505.08 : 288,772.20 = 52,274.64 : x
  2. Step 2: Convert to fraction form
    192,505.08/288,772.20 = 52,274.64/x
  3. Step 3: Cross multiply
    192,505.08x = 288,772.20 × 52,274.64
  4. Step 4: Simplify right side
    192,505.08x = 15,095,462,797.01
  5. Step 5: Solve for x
    x = 15,095,462,797.01/192,505.08
  6. Step 6: Final answer
    x = 78,415.92

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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.