Home / 198,785.04-298,144.08-56,620.32

Finding the Fourth Proportional to 198,785.04, 298,144.08 and 56,620.32

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Solution

The fourth proportional to 198,785.04, 298,144.08 and 56,620.32 is: 84,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,785.04 : 298,144.08 = 56,620.32 : x
  2. Step 2: Convert to fraction form
    198,785.04/298,144.08 = 56,620.32/x
  3. Step 3: Cross multiply
    198,785.04x = 298,144.08 × 56,620.32
  4. Step 4: Simplify right side
    198,785.04x = 16,881,013,215.71
  5. Step 5: Solve for x
    x = 16,881,013,215.71/198,785.04
  6. Step 6: Final answer
    x = 84,920.94

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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.