Home / 147,137.36-203,153.76-114,908.36

Finding the Fourth Proportional to 147,137.36, 203,153.76 and 114,908.36

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Solution

The fourth proportional to 147,137.36, 203,153.76 and 114,908.36 is: 158,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,137.36 : 203,153.76 = 114,908.36 : x
  2. Step 2: Convert to fraction form
    147,137.36/203,153.76 = 114,908.36/x
  3. Step 3: Cross multiply
    147,137.36x = 203,153.76 × 114,908.36
  4. Step 4: Simplify right side
    147,137.36x = 23,344,065,389.43
  5. Step 5: Solve for x
    x = 23,344,065,389.43/147,137.36
  6. Step 6: Final answer
    x = 158,654.92

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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.