Home / 150,943.18-208,288.02-82,959.40

Finding the Fourth Proportional to 150,943.18, 208,288.02 and 82,959.40

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Solution

The fourth proportional to 150,943.18, 208,288.02 and 82,959.40 is: 114,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,943.18 : 208,288.02 = 82,959.40 : x
  2. Step 2: Convert to fraction form
    150,943.18/208,288.02 = 82,959.40/x
  3. Step 3: Cross multiply
    150,943.18x = 208,288.02 × 82,959.40
  4. Step 4: Simplify right side
    150,943.18x = 17,279,449,166.39
  5. Step 5: Solve for x
    x = 17,279,449,166.39/150,943.18
  6. Step 6: Final answer
    x = 114,476.51

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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.