Home / 190,614.72-263,215.50-119,116.92

Finding the Fourth Proportional to 190,614.72, 263,215.50 and 119,116.92

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Solution

The fourth proportional to 190,614.72, 263,215.50 and 119,116.92 is: 164,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,614.72 : 263,215.50 = 119,116.92 : x
  2. Step 2: Convert to fraction form
    190,614.72/263,215.50 = 119,116.92/x
  3. Step 3: Cross multiply
    190,614.72x = 263,215.50 × 119,116.92
  4. Step 4: Simplify right side
    190,614.72x = 31,353,419,656.26
  5. Step 5: Solve for x
    x = 31,353,419,656.26/190,614.72
  6. Step 6: Final answer
    x = 164,485.83

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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.