Home / 150,916.37-208,219.17-90,464.95

Finding the Fourth Proportional to 150,916.37, 208,219.17 and 90,464.95

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Solution

The fourth proportional to 150,916.37, 208,219.17 and 90,464.95 is: 124,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,916.37 : 208,219.17 = 90,464.95 : x
  2. Step 2: Convert to fraction form
    150,916.37/208,219.17 = 90,464.95/x
  3. Step 3: Cross multiply
    150,916.37x = 208,219.17 × 90,464.95
  4. Step 4: Simplify right side
    150,916.37x = 18,836,536,350.77
  5. Step 5: Solve for x
    x = 18,836,536,350.77/150,916.37
  6. Step 6: Final answer
    x = 124,814.41

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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.