Home / 154,916.20-232,028.70-127,268.20

Finding the Fourth Proportional to 154,916.20, 232,028.70 and 127,268.20

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Solution

The fourth proportional to 154,916.20, 232,028.70 and 127,268.20 is: 190,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,916.20 : 232,028.70 = 127,268.20 : x
  2. Step 2: Convert to fraction form
    154,916.20/232,028.70 = 127,268.20/x
  3. Step 3: Cross multiply
    154,916.20x = 232,028.70 × 127,268.20
  4. Step 4: Simplify right side
    154,916.20x = 29,529,874,997.34
  5. Step 5: Solve for x
    x = 29,529,874,997.34/154,916.20
  6. Step 6: Final answer
    x = 190,618.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.