Home / 291,199.04-401,821.68-163,871.36

Finding the Fourth Proportional to 291,199.04, 401,821.68 and 163,871.36

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Solution

The fourth proportional to 291,199.04, 401,821.68 and 163,871.36 is: 226,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,199.04 : 401,821.68 = 163,871.36 : x
  2. Step 2: Convert to fraction form
    291,199.04/401,821.68 = 163,871.36/x
  3. Step 3: Cross multiply
    291,199.04x = 401,821.68 × 163,871.36
  4. Step 4: Simplify right side
    291,199.04x = 65,847,065,179.08
  5. Step 5: Solve for x
    x = 65,847,065,179.08/291,199.04
  6. Step 6: Final answer
    x = 226,123.91

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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.