Home / 198,291.51-297,399.06-56,135.70

Finding the Fourth Proportional to 198,291.51, 297,399.06 and 56,135.70

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Solution

The fourth proportional to 198,291.51, 297,399.06 and 56,135.70 is: 84,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,291.51 : 297,399.06 = 56,135.70 : x
  2. Step 2: Convert to fraction form
    198,291.51/297,399.06 = 56,135.70/x
  3. Step 3: Cross multiply
    198,291.51x = 297,399.06 × 56,135.70
  4. Step 4: Simplify right side
    198,291.51x = 16,694,704,412.44
  5. Step 5: Solve for x
    x = 16,694,704,412.44/198,291.51
  6. Step 6: Final answer
    x = 84,192.73

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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.