Home / 133,810.65-200,651.18-74,583.45

Finding the Fourth Proportional to 133,810.65, 200,651.18 and 74,583.45

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Solution

The fourth proportional to 133,810.65, 200,651.18 and 74,583.45 is: 111,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,810.65 : 200,651.18 = 74,583.45 : x
  2. Step 2: Convert to fraction form
    133,810.65/200,651.18 = 74,583.45/x
  3. Step 3: Cross multiply
    133,810.65x = 200,651.18 × 74,583.45
  4. Step 4: Simplify right side
    133,810.65x = 14,965,256,878.05
  5. Step 5: Solve for x
    x = 14,965,256,878.05/133,810.65
  6. Step 6: Final answer
    x = 111,839.06

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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.