Home / 116,136.64-160,257.18-65,137.60

Finding the Fourth Proportional to 116,136.64, 160,257.18 and 65,137.60

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Solution

The fourth proportional to 116,136.64, 160,257.18 and 65,137.60 is: 89,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,136.64 : 160,257.18 = 65,137.60 : x
  2. Step 2: Convert to fraction form
    116,136.64/160,257.18 = 65,137.60/x
  3. Step 3: Cross multiply
    116,136.64x = 160,257.18 × 65,137.60
  4. Step 4: Simplify right side
    116,136.64x = 10,438,768,087.97
  5. Step 5: Solve for x
    x = 10,438,768,087.97/116,136.64
  6. Step 6: Final answer
    x = 89,883.50

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1.5x scale

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.