Home / 150,825.10-208,140.33-82,843.65

Finding the Fourth Proportional to 150,825.10, 208,140.33 and 82,843.65

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Solution

The fourth proportional to 150,825.10, 208,140.33 and 82,843.65 is: 114,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.10 : 208,140.33 = 82,843.65 : x
  2. Step 2: Convert to fraction form
    150,825.10/208,140.33 = 82,843.65/x
  3. Step 3: Cross multiply
    150,825.10x = 208,140.33 × 82,843.65
  4. Step 4: Simplify right side
    150,825.10x = 17,243,104,649.40
  5. Step 5: Solve for x
    x = 17,243,104,649.40/150,825.10
  6. Step 6: Final answer
    x = 114,325.17

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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.