Home / 302,462.75-453,735.62-102,729.50

Finding the Fourth Proportional to 302,462.75, 453,735.62 and 102,729.50

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Solution

The fourth proportional to 302,462.75, 453,735.62 and 102,729.50 is: 154,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,462.75 : 453,735.62 = 102,729.50 : x
  2. Step 2: Convert to fraction form
    302,462.75/453,735.62 = 102,729.50/x
  3. Step 3: Cross multiply
    302,462.75x = 453,735.62 × 102,729.50
  4. Step 4: Simplify right side
    302,462.75x = 46,612,033,374.79
  5. Step 5: Solve for x
    x = 46,612,033,374.79/302,462.75
  6. Step 6: Final answer
    x = 154,108.34

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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.