Home / 110,937.60-166,406.40-109,771.20

Finding the Fourth Proportional to 110,937.60, 166,406.40 and 109,771.20

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Solution

The fourth proportional to 110,937.60, 166,406.40 and 109,771.20 is: 164,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,937.60 : 166,406.40 = 109,771.20 : x
  2. Step 2: Convert to fraction form
    110,937.60/166,406.40 = 109,771.20/x
  3. Step 3: Cross multiply
    110,937.60x = 166,406.40 × 109,771.20
  4. Step 4: Simplify right side
    110,937.60x = 18,266,630,215.68
  5. Step 5: Solve for x
    x = 18,266,630,215.68/110,937.60
  6. Step 6: Final answer
    x = 164,656.80

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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.