Home / 114,245.09-171,397.20-66,900.18

Finding the Fourth Proportional to 114,245.09, 171,397.20 and 66,900.18

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Solution

The fourth proportional to 114,245.09, 171,397.20 and 66,900.18 is: 100,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,245.09 : 171,397.20 = 66,900.18 : x
  2. Step 2: Convert to fraction form
    114,245.09/171,397.20 = 66,900.18/x
  3. Step 3: Cross multiply
    114,245.09x = 171,397.20 × 66,900.18
  4. Step 4: Simplify right side
    114,245.09x = 11,466,503,531.50
  5. Step 5: Solve for x
    x = 11,466,503,531.50/114,245.09
  6. Step 6: Final answer
    x = 100,367.58

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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.