Home / 720,072.18-1,080,096.93-187,581.42

Finding the Fourth Proportional to 720,072.18, 1,080,096.93 and 187,581.42

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Solution

The fourth proportional to 720,072.18, 1,080,096.93 and 187,581.42 is: 281,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,072.18 : 1,080,096.93 = 187,581.42 : x
  2. Step 2: Convert to fraction form
    720,072.18/1,080,096.93 = 187,581.42/x
  3. Step 3: Cross multiply
    720,072.18x = 1,080,096.93 × 187,581.42
  4. Step 4: Simplify right side
    720,072.18x = 202,606,115,867.04
  5. Step 5: Solve for x
    x = 202,606,115,867.04/720,072.18
  6. Step 6: Final answer
    x = 281,369.18

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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.