Home / 140,413.12-210,806.52-73,899.96

Finding the Fourth Proportional to 140,413.12, 210,806.52 and 73,899.96

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Solution

The fourth proportional to 140,413.12, 210,806.52 and 73,899.96 is: 110,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,413.12 : 210,806.52 = 73,899.96 : x
  2. Step 2: Convert to fraction form
    140,413.12/210,806.52 = 73,899.96/x
  3. Step 3: Cross multiply
    140,413.12x = 210,806.52 × 73,899.96
  4. Step 4: Simplify right side
    140,413.12x = 15,578,593,395.74
  5. Step 5: Solve for x
    x = 15,578,593,395.74/140,413.12
  6. Step 6: Final answer
    x = 110,948.27

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1.5x scale

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.