Home / 186,980.48-258,043.56-102,105.44

Finding the Fourth Proportional to 186,980.48, 258,043.56 and 102,105.44

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Solution

The fourth proportional to 186,980.48, 258,043.56 and 102,105.44 is: 140,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,980.48 : 258,043.56 = 102,105.44 : x
  2. Step 2: Convert to fraction form
    186,980.48/258,043.56 = 102,105.44/x
  3. Step 3: Cross multiply
    186,980.48x = 258,043.56 × 102,105.44
  4. Step 4: Simplify right side
    186,980.48x = 26,347,651,232.97
  5. Step 5: Solve for x
    x = 26,347,651,232.97/186,980.48
  6. Step 6: Final answer
    x = 140,911.24

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1.5x scale

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.