Home / 198,937.34-298,415.93-56,803.70

Finding the Fourth Proportional to 198,937.34, 298,415.93 and 56,803.70

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Solution

The fourth proportional to 198,937.34, 298,415.93 and 56,803.70 is: 85,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,937.34 : 298,415.93 = 56,803.70 : x
  2. Step 2: Convert to fraction form
    198,937.34/298,415.93 = 56,803.70/x
  3. Step 3: Cross multiply
    198,937.34x = 298,415.93 × 56,803.70
  4. Step 4: Simplify right side
    198,937.34x = 16,951,128,678.92
  5. Step 5: Solve for x
    x = 16,951,128,678.92/198,937.34
  6. Step 6: Final answer
    x = 85,208.38

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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.