Home / 140,615.40-194,049.54-76,953.72

Finding the Fourth Proportional to 140,615.40, 194,049.54 and 76,953.72

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Solution

The fourth proportional to 140,615.40, 194,049.54 and 76,953.72 is: 106,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,615.40 : 194,049.54 = 76,953.72 : x
  2. Step 2: Convert to fraction form
    140,615.40/194,049.54 = 76,953.72/x
  3. Step 3: Cross multiply
    140,615.40x = 194,049.54 × 76,953.72
  4. Step 4: Simplify right side
    140,615.40x = 14,932,833,967.29
  5. Step 5: Solve for x
    x = 14,932,833,967.29/140,615.40
  6. Step 6: Final answer
    x = 106,196.29

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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.