Home / 151,994.82-209,763.70-84,010.34

Finding the Fourth Proportional to 151,994.82, 209,763.70 and 84,010.34

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Solution

The fourth proportional to 151,994.82, 209,763.70 and 84,010.34 is: 115,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,994.82 : 209,763.70 = 84,010.34 : x
  2. Step 2: Convert to fraction form
    151,994.82/209,763.70 = 84,010.34/x
  3. Step 3: Cross multiply
    151,994.82x = 209,763.70 × 84,010.34
  4. Step 4: Simplify right side
    151,994.82x = 17,622,319,756.66
  5. Step 5: Solve for x
    x = 17,622,319,756.66/151,994.82
  6. Step 6: Final answer
    x = 115,940.27

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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.