Home / 111,946.44-167,985.26-80,322.42

Finding the Fourth Proportional to 111,946.44, 167,985.26 and 80,322.42

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Solution

The fourth proportional to 111,946.44, 167,985.26 and 80,322.42 is: 120,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.44 : 167,985.26 = 80,322.42 : x
  2. Step 2: Convert to fraction form
    111,946.44/167,985.26 = 80,322.42/x
  3. Step 3: Cross multiply
    111,946.44x = 167,985.26 × 80,322.42
  4. Step 4: Simplify right side
    111,946.44x = 13,492,981,968.41
  5. Step 5: Solve for x
    x = 13,492,981,968.41/111,946.44
  6. Step 6: Final answer
    x = 120,530.70

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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.