Home / 140,599.43-194,027.21-76,937.23

Finding the Fourth Proportional to 140,599.43, 194,027.21 and 76,937.23

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Solution

The fourth proportional to 140,599.43, 194,027.21 and 76,937.23 is: 106,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,599.43 : 194,027.21 = 76,937.23 : x
  2. Step 2: Convert to fraction form
    140,599.43/194,027.21 = 76,937.23/x
  3. Step 3: Cross multiply
    140,599.43x = 194,027.21 × 76,937.23
  4. Step 4: Simplify right side
    140,599.43x = 14,927,915,697.34
  5. Step 5: Solve for x
    x = 14,927,915,697.34/140,599.43
  6. Step 6: Final answer
    x = 106,173.37

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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.