Home / 283,824.32-391,703.84-162,981.44

Finding the Fourth Proportional to 283,824.32, 391,703.84 and 162,981.44

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Solution

The fourth proportional to 283,824.32, 391,703.84 and 162,981.44 is: 224,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,824.32 : 391,703.84 = 162,981.44 : x
  2. Step 2: Convert to fraction form
    283,824.32/391,703.84 = 162,981.44/x
  3. Step 3: Cross multiply
    283,824.32x = 391,703.84 × 162,981.44
  4. Step 4: Simplify right side
    283,824.32x = 63,840,455,896.73
  5. Step 5: Solve for x
    x = 63,840,455,896.73/283,824.32
  6. Step 6: Final answer
    x = 224,929.48

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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.