Home / 345,016.78-476,137.13-192,045.26

Finding the Fourth Proportional to 345,016.78, 476,137.13 and 192,045.26

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Solution

The fourth proportional to 345,016.78, 476,137.13 and 192,045.26 is: 265,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,016.78 : 476,137.13 = 192,045.26 : x
  2. Step 2: Convert to fraction form
    345,016.78/476,137.13 = 192,045.26/x
  3. Step 3: Cross multiply
    345,016.78x = 476,137.13 × 192,045.26
  4. Step 4: Simplify right side
    345,016.78x = 91,439,878,926.50
  5. Step 5: Solve for x
    x = 91,439,878,926.50/345,016.78
  6. Step 6: Final answer
    x = 265,030.24

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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.