Home / 165,945.25-229,021.73-102,281.41

Finding the Fourth Proportional to 165,945.25, 229,021.73 and 102,281.41

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Solution

The fourth proportional to 165,945.25, 229,021.73 and 102,281.41 is: 141,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.25 : 229,021.73 = 102,281.41 : x
  2. Step 2: Convert to fraction form
    165,945.25/229,021.73 = 102,281.41/x
  3. Step 3: Cross multiply
    165,945.25x = 229,021.73 × 102,281.41
  4. Step 4: Simplify right side
    165,945.25x = 23,424,665,465.04
  5. Step 5: Solve for x
    x = 23,424,665,465.04/165,945.25
  6. Step 6: Final answer
    x = 141,159.00

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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.