Home / 114,924.18-158,505.44-78,647.06

Finding the Fourth Proportional to 114,924.18, 158,505.44 and 78,647.06

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Solution

The fourth proportional to 114,924.18, 158,505.44 and 78,647.06 is: 108,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,924.18 : 158,505.44 = 78,647.06 : x
  2. Step 2: Convert to fraction form
    114,924.18/158,505.44 = 78,647.06/x
  3. Step 3: Cross multiply
    114,924.18x = 158,505.44 × 78,647.06
  4. Step 4: Simplify right side
    114,924.18x = 12,465,986,850.01
  5. Step 5: Solve for x
    x = 12,465,986,850.01/114,924.18
  6. Step 6: Final answer
    x = 108,471.40

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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.