Home / 198,023.88-297,091.18-64,997.72

Finding the Fourth Proportional to 198,023.88, 297,091.18 and 64,997.72

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Solution

The fourth proportional to 198,023.88, 297,091.18 and 64,997.72 is: 97,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,023.88 : 297,091.18 = 64,997.72 : x
  2. Step 2: Convert to fraction form
    198,023.88/297,091.18 = 64,997.72/x
  3. Step 3: Cross multiply
    198,023.88x = 297,091.18 × 64,997.72
  4. Step 4: Simplify right side
    198,023.88x = 19,310,249,332.11
  5. Step 5: Solve for x
    x = 19,310,249,332.11/198,023.88
  6. Step 6: Final answer
    x = 97,514.75

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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.