Home / 150,883.03-208,217.88-82,904.21

Finding the Fourth Proportional to 150,883.03, 208,217.88 and 82,904.21

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Solution

The fourth proportional to 150,883.03, 208,217.88 and 82,904.21 is: 114,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,883.03 : 208,217.88 = 82,904.21 : x
  2. Step 2: Convert to fraction form
    150,883.03/208,217.88 = 82,904.21/x
  3. Step 3: Cross multiply
    150,883.03x = 208,217.88 × 82,904.21
  4. Step 4: Simplify right side
    150,883.03x = 17,262,137,808.19
  5. Step 5: Solve for x
    x = 17,262,137,808.19/150,883.03
  6. Step 6: Final answer
    x = 114,407.42

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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.