Home / 291,175.65-401,822.22-163,851.36

Finding the Fourth Proportional to 291,175.65, 401,822.22 and 163,851.36

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Solution

The fourth proportional to 291,175.65, 401,822.22 and 163,851.36 is: 226,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,175.65 : 401,822.22 = 163,851.36 : x
  2. Step 2: Convert to fraction form
    291,175.65/401,822.22 = 163,851.36/x
  3. Step 3: Cross multiply
    291,175.65x = 401,822.22 × 163,851.36
  4. Step 4: Simplify right side
    291,175.65x = 65,839,117,225.22
  5. Step 5: Solve for x
    x = 65,839,117,225.22/291,175.65
  6. Step 6: Final answer
    x = 226,114.78

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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.