Home / 127,626.21-191,431.55-56,527.97

Finding the Fourth Proportional to 127,626.21, 191,431.55 and 56,527.97

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Solution

The fourth proportional to 127,626.21, 191,431.55 and 56,527.97 is: 84,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.21 : 191,431.55 = 56,527.97 : x
  2. Step 2: Convert to fraction form
    127,626.21/191,431.55 = 56,527.97/x
  3. Step 3: Cross multiply
    127,626.21x = 191,431.55 × 56,527.97
  4. Step 4: Simplify right side
    127,626.21x = 10,821,236,099.62
  5. Step 5: Solve for x
    x = 10,821,236,099.62/127,626.21
  6. Step 6: Final answer
    x = 84,788.51

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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.