Home / 111,216.40-166,824.60-63,977.20

Finding the Fourth Proportional to 111,216.40, 166,824.60 and 63,977.20

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Solution

The fourth proportional to 111,216.40, 166,824.60 and 63,977.20 is: 95,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216.40 : 166,824.60 = 63,977.20 : x
  2. Step 2: Convert to fraction form
    111,216.40/166,824.60 = 63,977.20/x
  3. Step 3: Cross multiply
    111,216.40x = 166,824.60 × 63,977.20
  4. Step 4: Simplify right side
    111,216.40x = 10,672,970,799.12
  5. Step 5: Solve for x
    x = 10,672,970,799.12/111,216.40
  6. Step 6: Final answer
    x = 95,965.80

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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.