Home / 152,105.20-228,173.45-57,415.14

Finding the Fourth Proportional to 152,105.20, 228,173.45 and 57,415.14

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Solution

The fourth proportional to 152,105.20, 228,173.45 and 57,415.14 is: 86,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,105.20 : 228,173.45 = 57,415.14 : x
  2. Step 2: Convert to fraction form
    152,105.20/228,173.45 = 57,415.14/x
  3. Step 3: Cross multiply
    152,105.20x = 228,173.45 × 57,415.14
  4. Step 4: Simplify right side
    152,105.20x = 13,100,610,576.03
  5. Step 5: Solve for x
    x = 13,100,610,576.03/152,105.20
  6. Step 6: Final answer
    x = 86,128.62

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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.