Home / 282,378.82-423,568.38-177,271.60

Finding the Fourth Proportional to 282,378.82, 423,568.38 and 177,271.60

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Solution

The fourth proportional to 282,378.82, 423,568.38 and 177,271.60 is: 265,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,378.82 : 423,568.38 = 177,271.60 : x
  2. Step 2: Convert to fraction form
    282,378.82/423,568.38 = 177,271.60/x
  3. Step 3: Cross multiply
    282,378.82x = 423,568.38 × 177,271.60
  4. Step 4: Simplify right side
    282,378.82x = 75,086,644,432.01
  5. Step 5: Solve for x
    x = 75,086,644,432.01/282,378.82
  6. Step 6: Final answer
    x = 265,907.49

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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.