Home / 151,435.14-208,977.69-83,458.41

Finding the Fourth Proportional to 151,435.14, 208,977.69 and 83,458.41

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Solution

The fourth proportional to 151,435.14, 208,977.69 and 83,458.41 is: 115,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,435.14 : 208,977.69 = 83,458.41 : x
  2. Step 2: Convert to fraction form
    151,435.14/208,977.69 = 83,458.41/x
  3. Step 3: Cross multiply
    151,435.14x = 208,977.69 × 83,458.41
  4. Step 4: Simplify right side
    151,435.14x = 17,440,945,732.87
  5. Step 5: Solve for x
    x = 17,440,945,732.87/151,435.14
  6. Step 6: Final answer
    x = 115,171.06

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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.