Home / 143,096.28-197,482.08-82,669.44

Finding the Fourth Proportional to 143,096.28, 197,482.08 and 82,669.44

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Solution

The fourth proportional to 143,096.28, 197,482.08 and 82,669.44 is: 114,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,096.28 : 197,482.08 = 82,669.44 : x
  2. Step 2: Convert to fraction form
    143,096.28/197,482.08 = 82,669.44/x
  3. Step 3: Cross multiply
    143,096.28x = 197,482.08 × 82,669.44
  4. Step 4: Simplify right side
    143,096.28x = 16,325,732,963.64
  5. Step 5: Solve for x
    x = 16,325,732,963.64/143,096.28
  6. Step 6: Final answer
    x = 114,089.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.