Home / 141,989.24-212,903.94-47,168.66

Finding the Fourth Proportional to 141,989.24, 212,903.94 and 47,168.66

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Solution

The fourth proportional to 141,989.24, 212,903.94 and 47,168.66 is: 70,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,989.24 : 212,903.94 = 47,168.66 : x
  2. Step 2: Convert to fraction form
    141,989.24/212,903.94 = 47,168.66/x
  3. Step 3: Cross multiply
    141,989.24x = 212,903.94 × 47,168.66
  4. Step 4: Simplify right side
    141,989.24x = 10,042,393,558.52
  5. Step 5: Solve for x
    x = 10,042,393,558.52/141,989.24
  6. Step 6: Final answer
    x = 70,726.44

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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.