Home / 151,982.86-209,729.81-83,996.32

Finding the Fourth Proportional to 151,982.86, 209,729.81 and 83,996.32

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Solution

The fourth proportional to 151,982.86, 209,729.81 and 83,996.32 is: 115,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,982.86 : 209,729.81 = 83,996.32 : x
  2. Step 2: Convert to fraction form
    151,982.86/209,729.81 = 83,996.32/x
  3. Step 3: Cross multiply
    151,982.86x = 209,729.81 × 83,996.32
  4. Step 4: Simplify right side
    151,982.86x = 17,616,530,765.67
  5. Step 5: Solve for x
    x = 17,616,530,765.67/151,982.86
  6. Step 6: Final answer
    x = 115,911.30

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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.