Home / 203,623.24-305,525.58-78,973.96

Finding the Fourth Proportional to 203,623.24, 305,525.58 and 78,973.96

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Solution

The fourth proportional to 203,623.24, 305,525.58 and 78,973.96 is: 118,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,623.24 : 305,525.58 = 78,973.96 : x
  2. Step 2: Convert to fraction form
    203,623.24/305,525.58 = 78,973.96/x
  3. Step 3: Cross multiply
    203,623.24x = 305,525.58 × 78,973.96
  4. Step 4: Simplify right side
    203,623.24x = 24,128,564,933.90
  5. Step 5: Solve for x
    x = 24,128,564,933.90/203,623.24
  6. Step 6: Final answer
    x = 118,496.13

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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.