Home / 168,057.40-252,086.10-130,003.60

Finding the Fourth Proportional to 168,057.40, 252,086.10 and 130,003.60

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Solution

The fourth proportional to 168,057.40, 252,086.10 and 130,003.60 is: 195,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.40 : 252,086.10 = 130,003.60 : x
  2. Step 2: Convert to fraction form
    168,057.40/252,086.10 = 130,003.60/x
  3. Step 3: Cross multiply
    168,057.40x = 252,086.10 × 130,003.60
  4. Step 4: Simplify right side
    168,057.40x = 32,772,100,509.96
  5. Step 5: Solve for x
    x = 32,772,100,509.96/168,057.40
  6. Step 6: Final answer
    x = 195,005.40

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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.