Home / 116,255.92-160,438.44-68,511.28

Finding the Fourth Proportional to 116,255.92, 160,438.44 and 68,511.28

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Solution

The fourth proportional to 116,255.92, 160,438.44 and 68,511.28 is: 94,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,255.92 : 160,438.44 = 68,511.28 : x
  2. Step 2: Convert to fraction form
    116,255.92/160,438.44 = 68,511.28/x
  3. Step 3: Cross multiply
    116,255.92x = 160,438.44 × 68,511.28
  4. Step 4: Simplify right side
    116,255.92x = 10,991,842,885.60
  5. Step 5: Solve for x
    x = 10,991,842,885.60/116,255.92
  6. Step 6: Final answer
    x = 94,548.67

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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.