Home / 150,970.47-208,343.97-82,992.69

Finding the Fourth Proportional to 150,970.47, 208,343.97 and 82,992.69

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Solution

The fourth proportional to 150,970.47, 208,343.97 and 82,992.69 is: 114,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,970.47 : 208,343.97 = 82,992.69 : x
  2. Step 2: Convert to fraction form
    150,970.47/208,343.97 = 82,992.69/x
  3. Step 3: Cross multiply
    150,970.47x = 208,343.97 × 82,992.69
  4. Step 4: Simplify right side
    150,970.47x = 17,291,026,515.58
  5. Step 5: Solve for x
    x = 17,291,026,515.58/150,970.47
  6. Step 6: Final answer
    x = 114,532.51

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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.