Home / 99,413.64-149,121.36-28,336.23

Finding the Fourth Proportional to 99,413.64, 149,121.36 and 28,336.23

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Solution

The fourth proportional to 99,413.64, 149,121.36 and 28,336.23 is: 42,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413.64 : 149,121.36 = 28,336.23 : x
  2. Step 2: Convert to fraction form
    99,413.64/149,121.36 = 28,336.23/x
  3. Step 3: Cross multiply
    99,413.64x = 149,121.36 × 28,336.23
  4. Step 4: Simplify right side
    99,413.64x = 4,225,537,154.87
  5. Step 5: Solve for x
    x = 4,225,537,154.87/99,413.64
  6. Step 6: Final answer
    x = 42,504.60

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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.