Home / 166,689.62-250,110.33-70,653.15

Finding the Fourth Proportional to 166,689.62, 250,110.33 and 70,653.15

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Solution

The fourth proportional to 166,689.62, 250,110.33 and 70,653.15 is: 106,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.62 : 250,110.33 = 70,653.15 : x
  2. Step 2: Convert to fraction form
    166,689.62/250,110.33 = 70,653.15/x
  3. Step 3: Cross multiply
    166,689.62x = 250,110.33 × 70,653.15
  4. Step 4: Simplify right side
    166,689.62x = 17,671,082,308.77
  5. Step 5: Solve for x
    x = 17,671,082,308.77/166,689.62
  6. Step 6: Final answer
    x = 106,011.90

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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.