Home / 291,232.08-401,833.80-163,861.20

Finding the Fourth Proportional to 291,232.08, 401,833.80 and 163,861.20

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Solution

The fourth proportional to 291,232.08, 401,833.80 and 163,861.20 is: 226,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,232.08 : 401,833.80 = 163,861.20 : x
  2. Step 2: Convert to fraction form
    291,232.08/401,833.80 = 163,861.20/x
  3. Step 3: Cross multiply
    291,232.08x = 401,833.80 × 163,861.20
  4. Step 4: Simplify right side
    291,232.08x = 65,844,968,668.56
  5. Step 5: Solve for x
    x = 65,844,968,668.56/291,232.08
  6. Step 6: Final answer
    x = 226,091.06

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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.