Home / 186,987.38-258,042.56-102,104.52

Finding the Fourth Proportional to 186,987.38, 258,042.56 and 102,104.52

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Solution

The fourth proportional to 186,987.38, 258,042.56 and 102,104.52 is: 140,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,987.38 : 258,042.56 = 102,104.52 : x
  2. Step 2: Convert to fraction form
    186,987.38/258,042.56 = 102,104.52/x
  3. Step 3: Cross multiply
    186,987.38x = 258,042.56 × 102,104.52
  4. Step 4: Simplify right side
    186,987.38x = 26,347,311,728.37
  5. Step 5: Solve for x
    x = 26,347,311,728.37/186,987.38
  6. Step 6: Final answer
    x = 140,904.22

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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.