Home / 114,583.10-158,153.74-78,299.23

Finding the Fourth Proportional to 114,583.10, 158,153.74 and 78,299.23

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Solution

The fourth proportional to 114,583.10, 158,153.74 and 78,299.23 is: 108,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,583.10 : 158,153.74 = 78,299.23 : x
  2. Step 2: Convert to fraction form
    114,583.10/158,153.74 = 78,299.23/x
  3. Step 3: Cross multiply
    114,583.10x = 158,153.74 × 78,299.23
  4. Step 4: Simplify right side
    114,583.10x = 12,383,316,654.75
  5. Step 5: Solve for x
    x = 12,383,316,654.75/114,583.10
  6. Step 6: Final answer
    x = 108,072.80

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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.