Home / 291,194.46-401,781.87-163,823.58

Finding the Fourth Proportional to 291,194.46, 401,781.87 and 163,823.58

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Solution

The fourth proportional to 291,194.46, 401,781.87 and 163,823.58 is: 226,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,194.46 : 401,781.87 = 163,823.58 : x
  2. Step 2: Convert to fraction form
    291,194.46/401,781.87 = 163,823.58/x
  3. Step 3: Cross multiply
    291,194.46x = 401,781.87 × 163,823.58
  4. Step 4: Simplify right side
    291,194.46x = 65,821,344,322.49
  5. Step 5: Solve for x
    x = 65,821,344,322.49/291,194.46
  6. Step 6: Final answer
    x = 226,039.14

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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.