Home / 283,614.96-391,383.57-154,554.55

Finding the Fourth Proportional to 283,614.96, 391,383.57 and 154,554.55

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Solution

The fourth proportional to 283,614.96, 391,383.57 and 154,554.55 is: 213,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,614.96 : 391,383.57 = 154,554.55 : x
  2. Step 2: Convert to fraction form
    283,614.96/391,383.57 = 154,554.55/x
  3. Step 3: Cross multiply
    283,614.96x = 391,383.57 × 154,554.55
  4. Step 4: Simplify right side
    283,614.96x = 60,490,111,538.74
  5. Step 5: Solve for x
    x = 60,490,111,538.74/283,614.96
  6. Step 6: Final answer
    x = 213,282.52

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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.