Home / 140,625.72-194,068.44-76,963.50

Finding the Fourth Proportional to 140,625.72, 194,068.44 and 76,963.50

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Solution

The fourth proportional to 140,625.72, 194,068.44 and 76,963.50 is: 106,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.72 : 194,068.44 = 76,963.50 : x
  2. Step 2: Convert to fraction form
    140,625.72/194,068.44 = 76,963.50/x
  3. Step 3: Cross multiply
    140,625.72x = 194,068.44 × 76,963.50
  4. Step 4: Simplify right side
    140,625.72x = 14,936,186,381.94
  5. Step 5: Solve for x
    x = 14,936,186,381.94/140,625.72
  6. Step 6: Final answer
    x = 106,212.34

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1.5x scale

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.