Home / 283,666.82-391,455.05-154,606.41

Finding the Fourth Proportional to 283,666.82, 391,455.05 and 154,606.41

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Solution

The fourth proportional to 283,666.82, 391,455.05 and 154,606.41 is: 213,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,666.82 : 391,455.05 = 154,606.41 : x
  2. Step 2: Convert to fraction form
    283,666.82/391,455.05 = 154,606.41/x
  3. Step 3: Cross multiply
    283,666.82x = 391,455.05 × 154,606.41
  4. Step 4: Simplify right side
    283,666.82x = 60,521,459,183.84
  5. Step 5: Solve for x
    x = 60,521,459,183.84/283,666.82
  6. Step 6: Final answer
    x = 213,354.03

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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.