Home / 251,756.40-347,413.57-144,251.67

Finding the Fourth Proportional to 251,756.40, 347,413.57 and 144,251.67

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Solution

The fourth proportional to 251,756.40, 347,413.57 and 144,251.67 is: 199,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,756.40 : 347,413.57 = 144,251.67 : x
  2. Step 2: Convert to fraction form
    251,756.40/347,413.57 = 144,251.67/x
  3. Step 3: Cross multiply
    251,756.40x = 347,413.57 × 144,251.67
  4. Step 4: Simplify right side
    251,756.40x = 50,114,987,653.16
  5. Step 5: Solve for x
    x = 50,114,987,653.16/251,756.40
  6. Step 6: Final answer
    x = 199,061.42

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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.