Home / 113,707.20-170,157.60-99,076.80

Finding the Fourth Proportional to 113,707.20, 170,157.60 and 99,076.80

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Solution

The fourth proportional to 113,707.20, 170,157.60 and 99,076.80 is: 148,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,707.20 : 170,157.60 = 99,076.80 : x
  2. Step 2: Convert to fraction form
    113,707.20/170,157.60 = 99,076.80/x
  3. Step 3: Cross multiply
    113,707.20x = 170,157.60 × 99,076.80
  4. Step 4: Simplify right side
    113,707.20x = 16,858,670,503.68
  5. Step 5: Solve for x
    x = 16,858,670,503.68/113,707.20
  6. Step 6: Final answer
    x = 148,263.88

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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.