Home / 198,187.02-297,269.92-70,094.43

Finding the Fourth Proportional to 198,187.02, 297,269.92 and 70,094.43

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Solution

The fourth proportional to 198,187.02, 297,269.92 and 70,094.43 is: 105,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,187.02 : 297,269.92 = 70,094.43 : x
  2. Step 2: Convert to fraction form
    198,187.02/297,269.92 = 70,094.43/x
  3. Step 3: Cross multiply
    198,187.02x = 297,269.92 × 70,094.43
  4. Step 4: Simplify right side
    198,187.02x = 20,836,966,800.93
  5. Step 5: Solve for x
    x = 20,836,966,800.93/198,187.02
  6. Step 6: Final answer
    x = 105,137.90

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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.