Home / 190,179.36-262,422.72-109,609.92

Finding the Fourth Proportional to 190,179.36, 262,422.72 and 109,609.92

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Solution

The fourth proportional to 190,179.36, 262,422.72 and 109,609.92 is: 151,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,179.36 : 262,422.72 = 109,609.92 : x
  2. Step 2: Convert to fraction form
    190,179.36/262,422.72 = 109,609.92/x
  3. Step 3: Cross multiply
    190,179.36x = 262,422.72 × 109,609.92
  4. Step 4: Simplify right side
    190,179.36x = 28,764,133,345.38
  5. Step 5: Solve for x
    x = 28,764,133,345.38/190,179.36
  6. Step 6: Final answer
    x = 151,247.40

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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.