Home / 154,413.60-231,620.40-60,907.20

Finding the Fourth Proportional to 154,413.60, 231,620.40 and 60,907.20

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Solution

The fourth proportional to 154,413.60, 231,620.40 and 60,907.20 is: 91,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.60 : 231,620.40 = 60,907.20 : x
  2. Step 2: Convert to fraction form
    154,413.60/231,620.40 = 60,907.20/x
  3. Step 3: Cross multiply
    154,413.60x = 231,620.40 × 60,907.20
  4. Step 4: Simplify right side
    154,413.60x = 14,107,350,026.88
  5. Step 5: Solve for x
    x = 14,107,350,026.88/154,413.60
  6. Step 6: Final answer
    x = 91,360.80

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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.