Home / 114,865.92-158,522.40-66,477.60

Finding the Fourth Proportional to 114,865.92, 158,522.40 and 66,477.60

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Solution

The fourth proportional to 114,865.92, 158,522.40 and 66,477.60 is: 91,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,865.92 : 158,522.40 = 66,477.60 : x
  2. Step 2: Convert to fraction form
    114,865.92/158,522.40 = 66,477.60/x
  3. Step 3: Cross multiply
    114,865.92x = 158,522.40 × 66,477.60
  4. Step 4: Simplify right side
    114,865.92x = 10,538,188,698.24
  5. Step 5: Solve for x
    x = 10,538,188,698.24/114,865.92
  6. Step 6: Final answer
    x = 91,743.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.