Home / 116,017.60-173,896.80-66,121.60

Finding the Fourth Proportional to 116,017.60, 173,896.80 and 66,121.60

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Solution

The fourth proportional to 116,017.60, 173,896.80 and 66,121.60 is: 99,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,017.60 : 173,896.80 = 66,121.60 : x
  2. Step 2: Convert to fraction form
    116,017.60/173,896.80 = 66,121.60/x
  3. Step 3: Cross multiply
    116,017.60x = 173,896.80 × 66,121.60
  4. Step 4: Simplify right side
    116,017.60x = 11,498,334,650.88
  5. Step 5: Solve for x
    x = 11,498,334,650.88/116,017.60
  6. Step 6: Final answer
    x = 99,108.54

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1.5x scale

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.