Home / 166,681.10-250,021.65-66,856.70

Finding the Fourth Proportional to 166,681.10, 250,021.65 and 66,856.70

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Solution

The fourth proportional to 166,681.10, 250,021.65 and 66,856.70 is: 100,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681.10 : 250,021.65 = 66,856.70 : x
  2. Step 2: Convert to fraction form
    166,681.10/250,021.65 = 66,856.70/x
  3. Step 3: Cross multiply
    166,681.10x = 250,021.65 × 66,856.70
  4. Step 4: Simplify right side
    166,681.10x = 16,715,622,447.56
  5. Step 5: Solve for x
    x = 16,715,622,447.56/166,681.10
  6. Step 6: Final answer
    x = 100,285.05

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1.5x scale

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.