Home / 283,614.98-391,383.63-154,554.57

Finding the Fourth Proportional to 283,614.98, 391,383.63 and 154,554.57

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Solution

The fourth proportional to 283,614.98, 391,383.63 and 154,554.57 is: 213,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,614.98 : 391,383.63 = 154,554.57 : x
  2. Step 2: Convert to fraction form
    283,614.98/391,383.63 = 154,554.57/x
  3. Step 3: Cross multiply
    283,614.98x = 391,383.63 × 154,554.57
  4. Step 4: Simplify right side
    283,614.98x = 60,490,128,639.69
  5. Step 5: Solve for x
    x = 60,490,128,639.69/283,614.98
  6. Step 6: Final answer
    x = 213,282.56

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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.