Home / 150,851.45-208,176.36-82,869.80

Finding the Fourth Proportional to 150,851.45, 208,176.36 and 82,869.80

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Solution

The fourth proportional to 150,851.45, 208,176.36 and 82,869.80 is: 114,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,851.45 : 208,176.36 = 82,869.80 : x
  2. Step 2: Convert to fraction form
    150,851.45/208,176.36 = 82,869.80/x
  3. Step 3: Cross multiply
    150,851.45x = 208,176.36 × 82,869.80
  4. Step 4: Simplify right side
    150,851.45x = 17,251,533,317.93
  5. Step 5: Solve for x
    x = 17,251,533,317.93/150,851.45
  6. Step 6: Final answer
    x = 114,361.07

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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.