Home / 263,402.91-363,498.30-154,572.39

Finding the Fourth Proportional to 263,402.91, 363,498.30 and 154,572.39

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Solution

The fourth proportional to 263,402.91, 363,498.30 and 154,572.39 is: 213,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,402.91 : 363,498.30 = 154,572.39 : x
  2. Step 2: Convert to fraction form
    263,402.91/363,498.30 = 154,572.39/x
  3. Step 3: Cross multiply
    263,402.91x = 363,498.30 × 154,572.39
  4. Step 4: Simplify right side
    263,402.91x = 56,186,800,991.94
  5. Step 5: Solve for x
    x = 56,186,800,991.94/263,402.91
  6. Step 6: Final answer
    x = 213,311.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.