Home / 158,154.34-236,969.06-111,308.80

Finding the Fourth Proportional to 158,154.34, 236,969.06 and 111,308.80

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Solution

The fourth proportional to 158,154.34, 236,969.06 and 111,308.80 is: 166,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,154.34 : 236,969.06 = 111,308.80 : x
  2. Step 2: Convert to fraction form
    158,154.34/236,969.06 = 111,308.80/x
  3. Step 3: Cross multiply
    158,154.34x = 236,969.06 × 111,308.80
  4. Step 4: Simplify right side
    158,154.34x = 26,376,740,556.76
  5. Step 5: Solve for x
    x = 26,376,740,556.76/158,154.34
  6. Step 6: Final answer
    x = 166,778.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.