Home / 215,243.90-322,491.83-151,065.98

Finding the Fourth Proportional to 215,243.90, 322,491.83 and 151,065.98

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Solution

The fourth proportional to 215,243.90, 322,491.83 and 151,065.98 is: 226,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,243.90 : 322,491.83 = 151,065.98 : x
  2. Step 2: Convert to fraction form
    215,243.90/322,491.83 = 151,065.98/x
  3. Step 3: Cross multiply
    215,243.90x = 322,491.83 × 151,065.98
  4. Step 4: Simplify right side
    215,243.90x = 48,717,541,973.15
  5. Step 5: Solve for x
    x = 48,717,541,973.15/215,243.90
  6. Step 6: Final answer
    x = 226,336.46

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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.