Home / 198,937.84-298,416.68-56,804.20

Finding the Fourth Proportional to 198,937.84, 298,416.68 and 56,804.20

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Solution

The fourth proportional to 198,937.84, 298,416.68 and 56,804.20 is: 85,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,937.84 : 298,416.68 = 56,804.20 : x
  2. Step 2: Convert to fraction form
    198,937.84/298,416.68 = 56,804.20/x
  3. Step 3: Cross multiply
    198,937.84x = 298,416.68 × 56,804.20
  4. Step 4: Simplify right side
    198,937.84x = 16,951,320,774.06
  5. Step 5: Solve for x
    x = 16,951,320,774.06/198,937.84
  6. Step 6: Final answer
    x = 85,209.13

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1.5x scale

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.