Home / 114,250.10-171,404.72-66,905.19

Finding the Fourth Proportional to 114,250.10, 171,404.72 and 66,905.19

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Solution

The fourth proportional to 114,250.10, 171,404.72 and 66,905.19 is: 100,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,250.10 : 171,404.72 = 66,905.19 : x
  2. Step 2: Convert to fraction form
    114,250.10/171,404.72 = 66,905.19/x
  3. Step 3: Cross multiply
    114,250.10x = 171,404.72 × 66,905.19
  4. Step 4: Simplify right side
    114,250.10x = 11,467,865,023.97
  5. Step 5: Solve for x
    x = 11,467,865,023.97/114,250.10
  6. Step 6: Final answer
    x = 100,375.10

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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.