Home / 118,836.34-177,016.39-112,525.43

Finding the Fourth Proportional to 118,836.34, 177,016.39 and 112,525.43

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Solution

The fourth proportional to 118,836.34, 177,016.39 and 112,525.43 is: 167,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,836.34 : 177,016.39 = 112,525.43 : x
  2. Step 2: Convert to fraction form
    118,836.34/177,016.39 = 112,525.43/x
  3. Step 3: Cross multiply
    118,836.34x = 177,016.39 × 112,525.43
  4. Step 4: Simplify right side
    118,836.34x = 19,918,845,401.80
  5. Step 5: Solve for x
    x = 19,918,845,401.80/118,836.34
  6. Step 6: Final answer
    x = 167,615.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.