Home / 211,184.84-291,455.96-120,554.44

Finding the Fourth Proportional to 211,184.84, 291,455.96 and 120,554.44

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Solution

The fourth proportional to 211,184.84, 291,455.96 and 120,554.44 is: 166,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,184.84 : 291,455.96 = 120,554.44 : x
  2. Step 2: Convert to fraction form
    211,184.84/291,455.96 = 120,554.44/x
  3. Step 3: Cross multiply
    211,184.84x = 291,455.96 × 120,554.44
  4. Step 4: Simplify right side
    211,184.84x = 35,136,310,042.46
  5. Step 5: Solve for x
    x = 35,136,310,042.46/211,184.84
  6. Step 6: Final answer
    x = 166,377.05

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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.