Home / 190,181.80-285,112.14-119,906.20

Finding the Fourth Proportional to 190,181.80, 285,112.14 and 119,906.20

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Solution

The fourth proportional to 190,181.80, 285,112.14 and 119,906.20 is: 179,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,181.80 : 285,112.14 = 119,906.20 : x
  2. Step 2: Convert to fraction form
    190,181.80/285,112.14 = 119,906.20/x
  3. Step 3: Cross multiply
    190,181.80x = 285,112.14 × 119,906.20
  4. Step 4: Simplify right side
    190,181.80x = 34,186,713,281.27
  5. Step 5: Solve for x
    x = 34,186,713,281.27/190,181.80
  6. Step 6: Final answer
    x = 179,758.07

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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.