Home / 190,997.42-286,059.87-91,228.19

Finding the Fourth Proportional to 190,997.42, 286,059.87 and 91,228.19

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Solution

The fourth proportional to 190,997.42, 286,059.87 and 91,228.19 is: 136,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,997.42 : 286,059.87 = 91,228.19 : x
  2. Step 2: Convert to fraction form
    190,997.42/286,059.87 = 91,228.19/x
  3. Step 3: Cross multiply
    190,997.42x = 286,059.87 × 91,228.19
  4. Step 4: Simplify right side
    190,997.42x = 26,096,722,741.44
  5. Step 5: Solve for x
    x = 26,096,722,741.44/190,997.42
  6. Step 6: Final answer
    x = 136,633.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.