Home / 166,690.85-250,112.18-70,654.39

Finding the Fourth Proportional to 166,690.85, 250,112.18 and 70,654.39

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Solution

The fourth proportional to 166,690.85, 250,112.18 and 70,654.39 is: 106,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,690.85 : 250,112.18 = 70,654.39 : x
  2. Step 2: Convert to fraction form
    166,690.85/250,112.18 = 70,654.39/x
  3. Step 3: Cross multiply
    166,690.85x = 250,112.18 × 70,654.39
  4. Step 4: Simplify right side
    166,690.85x = 17,671,523,509.47
  5. Step 5: Solve for x
    x = 17,671,523,509.47/166,690.85
  6. Step 6: Final answer
    x = 106,013.76

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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.