Home / 171,725.80-236,987.76-100,094.26

Finding the Fourth Proportional to 171,725.80, 236,987.76 and 100,094.26

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Solution

The fourth proportional to 171,725.80, 236,987.76 and 100,094.26 is: 138,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,725.80 : 236,987.76 = 100,094.26 : x
  2. Step 2: Convert to fraction form
    171,725.80/236,987.76 = 100,094.26/x
  3. Step 3: Cross multiply
    171,725.80x = 236,987.76 × 100,094.26
  4. Step 4: Simplify right side
    171,725.80x = 23,721,114,466.26
  5. Step 5: Solve for x
    x = 23,721,114,466.26/171,725.80
  6. Step 6: Final answer
    x = 138,133.67

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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.