Home / 147,541.96-203,607.89-83,879.75

Finding the Fourth Proportional to 147,541.96, 203,607.89 and 83,879.75

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Solution

The fourth proportional to 147,541.96, 203,607.89 and 83,879.75 is: 115,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541.96 : 203,607.89 = 83,879.75 : x
  2. Step 2: Convert to fraction form
    147,541.96/203,607.89 = 83,879.75/x
  3. Step 3: Cross multiply
    147,541.96x = 203,607.89 × 83,879.75
  4. Step 4: Simplify right side
    147,541.96x = 17,078,579,787.22
  5. Step 5: Solve for x
    x = 17,078,579,787.22/147,541.96
  6. Step 6: Final answer
    x = 115,754.06

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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.