Home / 190,129.01-285,192.74-47,974.62

Finding the Fourth Proportional to 190,129.01, 285,192.74 and 47,974.62

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Solution

The fourth proportional to 190,129.01, 285,192.74 and 47,974.62 is: 71,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.01 : 285,192.74 = 47,974.62 : x
  2. Step 2: Convert to fraction form
    190,129.01/285,192.74 = 47,974.62/x
  3. Step 3: Cross multiply
    190,129.01x = 285,192.74 × 47,974.62
  4. Step 4: Simplify right side
    190,129.01x = 13,682,013,448.20
  5. Step 5: Solve for x
    x = 13,682,013,448.20/190,129.01
  6. Step 6: Final answer
    x = 71,961.73

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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.