Home / 118,556.19-163,610.75-64,844.37

Finding the Fourth Proportional to 118,556.19, 163,610.75 and 64,844.37

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Solution

The fourth proportional to 118,556.19, 163,610.75 and 64,844.37 is: 89,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,556.19 : 163,610.75 = 64,844.37 : x
  2. Step 2: Convert to fraction form
    118,556.19/163,610.75 = 64,844.37/x
  3. Step 3: Cross multiply
    118,556.19x = 163,610.75 × 64,844.37
  4. Step 4: Simplify right side
    118,556.19x = 10,609,236,171.09
  5. Step 5: Solve for x
    x = 10,609,236,171.09/118,556.19
  6. Step 6: Final answer
    x = 89,486.99

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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.