Home / 314,968.56-434,578.68-192,429.39

Finding the Fourth Proportional to 314,968.56, 434,578.68 and 192,429.39

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Solution

The fourth proportional to 314,968.56, 434,578.68 and 192,429.39 is: 265,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,968.56 : 434,578.68 = 192,429.39 : x
  2. Step 2: Convert to fraction form
    314,968.56/434,578.68 = 192,429.39/x
  3. Step 3: Cross multiply
    314,968.56x = 434,578.68 × 192,429.39
  4. Step 4: Simplify right side
    314,968.56x = 83,625,710,299.41
  5. Step 5: Solve for x
    x = 83,625,710,299.41/314,968.56
  6. Step 6: Final answer
    x = 265,504.95

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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.