Home / 194,818.20-292,227.30-76,493.40

Finding the Fourth Proportional to 194,818.20, 292,227.30 and 76,493.40

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Solution

The fourth proportional to 194,818.20, 292,227.30 and 76,493.40 is: 114,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,818.20 : 292,227.30 = 76,493.40 : x
  2. Step 2: Convert to fraction form
    194,818.20/292,227.30 = 76,493.40/x
  3. Step 3: Cross multiply
    194,818.20x = 292,227.30 × 76,493.40
  4. Step 4: Simplify right side
    194,818.20x = 22,353,459,749.82
  5. Step 5: Solve for x
    x = 22,353,459,749.82/194,818.20
  6. Step 6: Final answer
    x = 114,740.10

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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.