Home / 362,417.20-543,413.04-109,621.60

Finding the Fourth Proportional to 362,417.20, 543,413.04 and 109,621.60

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Solution

The fourth proportional to 362,417.20, 543,413.04 and 109,621.60 is: 164,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,417.20 : 543,413.04 = 109,621.60 : x
  2. Step 2: Convert to fraction form
    362,417.20/543,413.04 = 109,621.60/x
  3. Step 3: Cross multiply
    362,417.20x = 543,413.04 × 109,621.60
  4. Step 4: Simplify right side
    362,417.20x = 59,569,806,905.66
  5. Step 5: Solve for x
    x = 59,569,806,905.66/362,417.20
  6. Step 6: Final answer
    x = 164,368.05

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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.