Home / 228,297.24-342,588.12-109,980.60

Finding the Fourth Proportional to 228,297.24, 342,588.12 and 109,980.60

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Solution

The fourth proportional to 228,297.24, 342,588.12 and 109,980.60 is: 165,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,297.24 : 342,588.12 = 109,980.60 : x
  2. Step 2: Convert to fraction form
    228,297.24/342,588.12 = 109,980.60/x
  3. Step 3: Cross multiply
    228,297.24x = 342,588.12 × 109,980.60
  4. Step 4: Simplify right side
    228,297.24x = 37,678,046,990.47
  5. Step 5: Solve for x
    x = 37,678,046,990.47/228,297.24
  6. Step 6: Final answer
    x = 165,039.43

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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.