Home / 114,738.03-158,396.04-71,741.43

Finding the Fourth Proportional to 114,738.03, 158,396.04 and 71,741.43

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Solution

The fourth proportional to 114,738.03, 158,396.04 and 71,741.43 is: 99,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,738.03 : 158,396.04 = 71,741.43 : x
  2. Step 2: Convert to fraction form
    114,738.03/158,396.04 = 71,741.43/x
  3. Step 3: Cross multiply
    114,738.03x = 158,396.04 × 71,741.43
  4. Step 4: Simplify right side
    114,738.03x = 11,363,558,415.94
  5. Step 5: Solve for x
    x = 11,363,558,415.94/114,738.03
  6. Step 6: Final answer
    x = 99,039.16

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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.