Home / 190,063.38-262,296.63-109,503.30

Finding the Fourth Proportional to 190,063.38, 262,296.63 and 109,503.30

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Solution

The fourth proportional to 190,063.38, 262,296.63 and 109,503.30 is: 151,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,063.38 : 262,296.63 = 109,503.30 : x
  2. Step 2: Convert to fraction form
    190,063.38/262,296.63 = 109,503.30/x
  3. Step 3: Cross multiply
    190,063.38x = 262,296.63 × 109,503.30
  4. Step 4: Simplify right side
    190,063.38x = 28,722,346,563.88
  5. Step 5: Solve for x
    x = 28,722,346,563.88/190,063.38
  6. Step 6: Final answer
    x = 151,119.83

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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.