Home / 283,104.36-390,672.24-154,043.33

Finding the Fourth Proportional to 283,104.36, 390,672.24 and 154,043.33

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Solution

The fourth proportional to 283,104.36, 390,672.24 and 154,043.33 is: 212,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,104.36 : 390,672.24 = 154,043.33 : x
  2. Step 2: Convert to fraction form
    283,104.36/390,672.24 = 154,043.33/x
  3. Step 3: Cross multiply
    283,104.36x = 390,672.24 × 154,043.33
  4. Step 4: Simplify right side
    283,104.36x = 60,180,450,834.80
  5. Step 5: Solve for x
    x = 60,180,450,834.80/283,104.36
  6. Step 6: Final answer
    x = 212,573.38

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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.