Home / 198,730.04-298,095.24-80,402.38

Finding the Fourth Proportional to 198,730.04, 298,095.24 and 80,402.38

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Solution

The fourth proportional to 198,730.04, 298,095.24 and 80,402.38 is: 120,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.04 : 298,095.24 = 80,402.38 : x
  2. Step 2: Convert to fraction form
    198,730.04/298,095.24 = 80,402.38/x
  3. Step 3: Cross multiply
    198,730.04x = 298,095.24 × 80,402.38
  4. Step 4: Simplify right side
    198,730.04x = 23,967,566,762.67
  5. Step 5: Solve for x
    x = 23,967,566,762.67/198,730.04
  6. Step 6: Final answer
    x = 120,603.64

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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.