Home / 291,186.24-401,806.08-163,859.76

Finding the Fourth Proportional to 291,186.24, 401,806.08 and 163,859.76

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Solution

The fourth proportional to 291,186.24, 401,806.08 and 163,859.76 is: 226,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,186.24 : 401,806.08 = 163,859.76 : x
  2. Step 2: Convert to fraction form
    291,186.24/401,806.08 = 163,859.76/x
  3. Step 3: Cross multiply
    291,186.24x = 401,806.08 × 163,859.76
  4. Step 4: Simplify right side
    291,186.24x = 65,839,847,835.34
  5. Step 5: Solve for x
    x = 65,839,847,835.34/291,186.24
  6. Step 6: Final answer
    x = 226,109.06

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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.