Home / 283,632.44-391,431.08-156,307.73

Finding the Fourth Proportional to 283,632.44, 391,431.08 and 156,307.73

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Solution

The fourth proportional to 283,632.44, 391,431.08 and 156,307.73 is: 215,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,632.44 : 391,431.08 = 156,307.73 : x
  2. Step 2: Convert to fraction form
    283,632.44/391,431.08 = 156,307.73/x
  3. Step 3: Cross multiply
    283,632.44x = 391,431.08 × 156,307.73
  4. Step 4: Simplify right side
    283,632.44x = 61,183,701,999.86
  5. Step 5: Solve for x
    x = 61,183,701,999.86/283,632.44
  6. Step 6: Final answer
    x = 215,714.76

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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.