Home / 150,564.64-225,775.46-87,404.12

Finding the Fourth Proportional to 150,564.64, 225,775.46 and 87,404.12

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Solution

The fourth proportional to 150,564.64, 225,775.46 and 87,404.12 is: 131,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.64 : 225,775.46 = 87,404.12 : x
  2. Step 2: Convert to fraction form
    150,564.64/225,775.46 = 87,404.12/x
  3. Step 3: Cross multiply
    150,564.64x = 225,775.46 × 87,404.12
  4. Step 4: Simplify right side
    150,564.64x = 19,733,705,398.90
  5. Step 5: Solve for x
    x = 19,733,705,398.90/150,564.64
  6. Step 6: Final answer
    x = 131,064.67

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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.