Home / 111,463.02-167,096.11-85,284.63

Finding the Fourth Proportional to 111,463.02, 167,096.11 and 85,284.63

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Solution

The fourth proportional to 111,463.02, 167,096.11 and 85,284.63 is: 127,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463.02 : 167,096.11 = 85,284.63 : x
  2. Step 2: Convert to fraction form
    111,463.02/167,096.11 = 85,284.63/x
  3. Step 3: Cross multiply
    111,463.02x = 167,096.11 × 85,284.63
  4. Step 4: Simplify right side
    111,463.02x = 14,250,728,653.89
  5. Step 5: Solve for x
    x = 14,250,728,653.89/111,463.02
  6. Step 6: Final answer
    x = 127,851.63

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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.