Home / 283,071.24-390,812.85-194,818.50

Finding the Fourth Proportional to 283,071.24, 390,812.85 and 194,818.50

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Solution

The fourth proportional to 283,071.24, 390,812.85 and 194,818.50 is: 268,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,071.24 : 390,812.85 = 194,818.50 : x
  2. Step 2: Convert to fraction form
    283,071.24/390,812.85 = 194,818.50/x
  3. Step 3: Cross multiply
    283,071.24x = 390,812.85 × 194,818.50
  4. Step 4: Simplify right side
    283,071.24x = 76,137,573,217.73
  5. Step 5: Solve for x
    x = 76,137,573,217.73/283,071.24
  6. Step 6: Final answer
    x = 268,969.65

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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.