Home / 216,611.03-324,917.45-142,202.00

Finding the Fourth Proportional to 216,611.03, 324,917.45 and 142,202.00

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Solution

The fourth proportional to 216,611.03, 324,917.45 and 142,202.00 is: 213,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,611.03 : 324,917.45 = 142,202.00 : x
  2. Step 2: Convert to fraction form
    216,611.03/324,917.45 = 142,202.00/x
  3. Step 3: Cross multiply
    216,611.03x = 324,917.45 × 142,202.00
  4. Step 4: Simplify right side
    216,611.03x = 46,203,908,889.30
  5. Step 5: Solve for x
    x = 46,203,908,889.30/216,611.03
  6. Step 6: Final answer
    x = 213,303.59

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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.