Home / 140,871.47-194,402.24-76,342.49

Finding the Fourth Proportional to 140,871.47, 194,402.24 and 76,342.49

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Solution

The fourth proportional to 140,871.47, 194,402.24 and 76,342.49 is: 105,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,871.47 : 194,402.24 = 76,342.49 : x
  2. Step 2: Convert to fraction form
    140,871.47/194,402.24 = 76,342.49/x
  3. Step 3: Cross multiply
    140,871.47x = 194,402.24 × 76,342.49
  4. Step 4: Simplify right side
    140,871.47x = 14,841,150,724.75
  5. Step 5: Solve for x
    x = 14,841,150,724.75/140,871.47
  6. Step 6: Final answer
    x = 105,352.43

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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.