Home / 236,777.32-355,169.06-79,005.77

Finding the Fourth Proportional to 236,777.32, 355,169.06 and 79,005.77

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Solution

The fourth proportional to 236,777.32, 355,169.06 and 79,005.77 is: 118,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.32 : 355,169.06 = 79,005.77 : x
  2. Step 2: Convert to fraction form
    236,777.32/355,169.06 = 79,005.77/x
  3. Step 3: Cross multiply
    236,777.32x = 355,169.06 × 79,005.77
  4. Step 4: Simplify right side
    236,777.32x = 28,060,405,558.37
  5. Step 5: Solve for x
    x = 28,060,405,558.37/236,777.32
  6. Step 6: Final answer
    x = 118,509.69

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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.