Home / 127,622.40-191,447.04-44,517.12

Finding the Fourth Proportional to 127,622.40, 191,447.04 and 44,517.12

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Solution

The fourth proportional to 127,622.40, 191,447.04 and 44,517.12 is: 66,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,622.40 : 191,447.04 = 44,517.12 : x
  2. Step 2: Convert to fraction form
    127,622.40/191,447.04 = 44,517.12/x
  3. Step 3: Cross multiply
    127,622.40x = 191,447.04 × 44,517.12
  4. Step 4: Simplify right side
    127,622.40x = 8,522,670,853.32
  5. Step 5: Solve for x
    x = 8,522,670,853.32/127,622.40
  6. Step 6: Final answer
    x = 66,780.37

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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.