Home / 111,156.15-166,739.60-36,276.24

Finding the Fourth Proportional to 111,156.15, 166,739.60 and 36,276.24

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Solution

The fourth proportional to 111,156.15, 166,739.60 and 36,276.24 is: 54,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,156.15 : 166,739.60 = 36,276.24 : x
  2. Step 2: Convert to fraction form
    111,156.15/166,739.60 = 36,276.24/x
  3. Step 3: Cross multiply
    111,156.15x = 166,739.60 × 36,276.24
  4. Step 4: Simplify right side
    111,156.15x = 6,048,685,747.10
  5. Step 5: Solve for x
    x = 6,048,685,747.10/111,156.15
  6. Step 6: Final answer
    x = 54,416.11

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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.