Home / 198,935.84-298,413.67-56,802.20

Finding the Fourth Proportional to 198,935.84, 298,413.67 and 56,802.20

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Solution

The fourth proportional to 198,935.84, 298,413.67 and 56,802.20 is: 85,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,935.84 : 298,413.67 = 56,802.20 : x
  2. Step 2: Convert to fraction form
    198,935.84/298,413.67 = 56,802.20/x
  3. Step 3: Cross multiply
    198,935.84x = 298,413.67 × 56,802.20
  4. Step 4: Simplify right side
    198,935.84x = 16,950,552,877.16
  5. Step 5: Solve for x
    x = 16,950,552,877.16/198,935.84
  6. Step 6: Final answer
    x = 85,206.13

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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.