Home / 114,288.40-157,736.68-68,345.04

Finding the Fourth Proportional to 114,288.40, 157,736.68 and 68,345.04

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Solution

The fourth proportional to 114,288.40, 157,736.68 and 68,345.04 is: 94,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,288.40 : 157,736.68 = 68,345.04 : x
  2. Step 2: Convert to fraction form
    114,288.40/157,736.68 = 68,345.04/x
  3. Step 3: Cross multiply
    114,288.40x = 157,736.68 × 68,345.04
  4. Step 4: Simplify right side
    114,288.40x = 10,780,519,704.07
  5. Step 5: Solve for x
    x = 10,780,519,704.07/114,288.40
  6. Step 6: Final answer
    x = 94,327.33

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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.