Home / 262,246.80-393,028.76-190,441.10

Finding the Fourth Proportional to 262,246.80, 393,028.76 and 190,441.10

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Solution

The fourth proportional to 262,246.80, 393,028.76 and 190,441.10 is: 285,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,246.80 : 393,028.76 = 190,441.10 : x
  2. Step 2: Convert to fraction form
    262,246.80/393,028.76 = 190,441.10/x
  3. Step 3: Cross multiply
    262,246.80x = 393,028.76 × 190,441.10
  4. Step 4: Simplify right side
    262,246.80x = 74,848,829,386.04
  5. Step 5: Solve for x
    x = 74,848,829,386.04/262,246.80
  6. Step 6: Final answer
    x = 285,413.70

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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.