Home / 414,111.56-621,175.10-129,795.82

Finding the Fourth Proportional to 414,111.56, 621,175.10 and 129,795.82

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Solution

The fourth proportional to 414,111.56, 621,175.10 and 129,795.82 is: 194,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,111.56 : 621,175.10 = 129,795.82 : x
  2. Step 2: Convert to fraction form
    414,111.56/621,175.10 = 129,795.82/x
  3. Step 3: Cross multiply
    414,111.56x = 621,175.10 × 129,795.82
  4. Step 4: Simplify right side
    414,111.56x = 80,625,929,266.17
  5. Step 5: Solve for x
    x = 80,625,929,266.17/414,111.56
  6. Step 6: Final answer
    x = 194,696.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.