Home / 282,743.84-390,056.46-250,511.33

Finding the Fourth Proportional to 282,743.84, 390,056.46 and 250,511.33

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Solution

The fourth proportional to 282,743.84, 390,056.46 and 250,511.33 is: 345,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,743.84 : 390,056.46 = 250,511.33 : x
  2. Step 2: Convert to fraction form
    282,743.84/390,056.46 = 250,511.33/x
  3. Step 3: Cross multiply
    282,743.84x = 390,056.46 × 250,511.33
  4. Step 4: Simplify right side
    282,743.84x = 97,713,563,544.83
  5. Step 5: Solve for x
    x = 97,713,563,544.83/282,743.84
  6. Step 6: Final answer
    x = 345,590.42

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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.