Home / 190,310.37-262,656.27-109,722.12

Finding the Fourth Proportional to 190,310.37, 262,656.27 and 109,722.12

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Solution

The fourth proportional to 190,310.37, 262,656.27 and 109,722.12 is: 151,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,310.37 : 262,656.27 = 109,722.12 : x
  2. Step 2: Convert to fraction form
    190,310.37/262,656.27 = 109,722.12/x
  3. Step 3: Cross multiply
    190,310.37x = 262,656.27 × 109,722.12
  4. Step 4: Simplify right side
    190,310.37x = 28,819,202,775.69
  5. Step 5: Solve for x
    x = 28,819,202,775.69/190,310.37
  6. Step 6: Final answer
    x = 151,432.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.