Home / 167,336.32-250,782.96-78,430.60

Finding the Fourth Proportional to 167,336.32, 250,782.96 and 78,430.60

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Solution

The fourth proportional to 167,336.32, 250,782.96 and 78,430.60 is: 117,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,336.32 : 250,782.96 = 78,430.60 : x
  2. Step 2: Convert to fraction form
    167,336.32/250,782.96 = 78,430.60/x
  3. Step 3: Cross multiply
    167,336.32x = 250,782.96 × 78,430.60
  4. Step 4: Simplify right side
    167,336.32x = 19,669,058,022.58
  5. Step 5: Solve for x
    x = 19,669,058,022.58/167,336.32
  6. Step 6: Final answer
    x = 117,542.07

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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.