Home / 147,031.07-220,575.32-47,183.58

Finding the Fourth Proportional to 147,031.07, 220,575.32 and 47,183.58

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Solution

The fourth proportional to 147,031.07, 220,575.32 and 47,183.58 is: 70,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,031.07 : 220,575.32 = 47,183.58 : x
  2. Step 2: Convert to fraction form
    147,031.07/220,575.32 = 47,183.58/x
  3. Step 3: Cross multiply
    147,031.07x = 220,575.32 × 47,183.58
  4. Step 4: Simplify right side
    147,031.07x = 10,407,533,375.20
  5. Step 5: Solve for x
    x = 10,407,533,375.20/147,031.07
  6. Step 6: Final answer
    x = 70,784.59

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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.