Home / 150,883.45-208,222.65-82,904.68

Finding the Fourth Proportional to 150,883.45, 208,222.65 and 82,904.68

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Solution

The fourth proportional to 150,883.45, 208,222.65 and 82,904.68 is: 114,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,883.45 : 208,222.65 = 82,904.68 : x
  2. Step 2: Convert to fraction form
    150,883.45/208,222.65 = 82,904.68/x
  3. Step 3: Cross multiply
    150,883.45x = 208,222.65 × 82,904.68
  4. Step 4: Simplify right side
    150,883.45x = 17,262,632,167.00
  5. Step 5: Solve for x
    x = 17,262,632,167.00/150,883.45
  6. Step 6: Final answer
    x = 114,410.38

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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.