Home / 283,635.32-391,416.84-154,573.83

Finding the Fourth Proportional to 283,635.32, 391,416.84 and 154,573.83

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Solution

The fourth proportional to 283,635.32, 391,416.84 and 154,573.83 is: 213,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,635.32 : 391,416.84 = 154,573.83 : x
  2. Step 2: Convert to fraction form
    283,635.32/391,416.84 = 154,573.83/x
  3. Step 3: Cross multiply
    283,635.32x = 391,416.84 × 154,573.83
  4. Step 4: Simplify right side
    283,635.32x = 60,502,800,085.30
  5. Step 5: Solve for x
    x = 60,502,800,085.30/283,635.32
  6. Step 6: Final answer
    x = 213,311.94

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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.