Home / 283,867.43-391,735.86-154,805.55

Finding the Fourth Proportional to 283,867.43, 391,735.86 and 154,805.55

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Solution

The fourth proportional to 283,867.43, 391,735.86 and 154,805.55 is: 213,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,867.43 : 391,735.86 = 154,805.55 : x
  2. Step 2: Convert to fraction form
    283,867.43/391,735.86 = 154,805.55/x
  3. Step 3: Cross multiply
    283,867.43x = 391,735.86 × 154,805.55
  4. Step 4: Simplify right side
    283,867.43x = 60,642,885,262.02
  5. Step 5: Solve for x
    x = 60,642,885,262.02/283,867.43
  6. Step 6: Final answer
    x = 213,631.01

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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.