Home / 190,110.32-262,410.68-109,591.68

Finding the Fourth Proportional to 190,110.32, 262,410.68 and 109,591.68

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Solution

The fourth proportional to 190,110.32, 262,410.68 and 109,591.68 is: 151,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,110.32 : 262,410.68 = 109,591.68 : x
  2. Step 2: Convert to fraction form
    190,110.32/262,410.68 = 109,591.68/x
  3. Step 3: Cross multiply
    190,110.32x = 262,410.68 × 109,591.68
  4. Step 4: Simplify right side
    190,110.32x = 28,758,027,271.14
  5. Step 5: Solve for x
    x = 28,758,027,271.14/190,110.32
  6. Step 6: Final answer
    x = 151,270.21

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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.