Home / 114,916.96-158,454.64-80,914.58

Finding the Fourth Proportional to 114,916.96, 158,454.64 and 80,914.58

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Solution

The fourth proportional to 114,916.96, 158,454.64 and 80,914.58 is: 111,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,916.96 : 158,454.64 = 80,914.58 : x
  2. Step 2: Convert to fraction form
    114,916.96/158,454.64 = 80,914.58/x
  3. Step 3: Cross multiply
    114,916.96x = 158,454.64 × 80,914.58
  4. Step 4: Simplify right side
    114,916.96x = 12,821,290,644.65
  5. Step 5: Solve for x
    x = 12,821,290,644.65/114,916.96
  6. Step 6: Final answer
    x = 111,570.05

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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.