Home / 113,556.40-170,334.60-105,002.80

Finding the Fourth Proportional to 113,556.40, 170,334.60 and 105,002.80

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Solution

The fourth proportional to 113,556.40, 170,334.60 and 105,002.80 is: 157,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,556.40 : 170,334.60 = 105,002.80 : x
  2. Step 2: Convert to fraction form
    113,556.40/170,334.60 = 105,002.80/x
  3. Step 3: Cross multiply
    113,556.40x = 170,334.60 × 105,002.80
  4. Step 4: Simplify right side
    113,556.40x = 17,885,609,936.88
  5. Step 5: Solve for x
    x = 17,885,609,936.88/113,556.40
  6. Step 6: Final answer
    x = 157,504.20

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1.5x scale

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.