Home / 152,457.10-228,357.60-126,213.10

Finding the Fourth Proportional to 152,457.10, 228,357.60 and 126,213.10

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Solution

The fourth proportional to 152,457.10, 228,357.60 and 126,213.10 is: 189,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,457.10 : 228,357.60 = 126,213.10 : x
  2. Step 2: Convert to fraction form
    152,457.10/228,357.60 = 126,213.10/x
  3. Step 3: Cross multiply
    152,457.10x = 228,357.60 × 126,213.10
  4. Step 4: Simplify right side
    152,457.10x = 28,821,720,604.56
  5. Step 5: Solve for x
    x = 28,821,720,604.56/152,457.10
  6. Step 6: Final answer
    x = 189,048.07

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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.