Home / 194,710.20-292,142.10-76,361.40

Finding the Fourth Proportional to 194,710.20, 292,142.10 and 76,361.40

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Solution

The fourth proportional to 194,710.20, 292,142.10 and 76,361.40 is: 114,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,710.20 : 292,142.10 = 76,361.40 : x
  2. Step 2: Convert to fraction form
    194,710.20/292,142.10 = 76,361.40/x
  3. Step 3: Cross multiply
    194,710.20x = 292,142.10 × 76,361.40
  4. Step 4: Simplify right side
    194,710.20x = 22,308,379,754.94
  5. Step 5: Solve for x
    x = 22,308,379,754.94/194,710.20
  6. Step 6: Final answer
    x = 114,572.22

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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.