Home / 142,494.46-213,556.16-58,155.64

Finding the Fourth Proportional to 142,494.46, 213,556.16 and 58,155.64

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Solution

The fourth proportional to 142,494.46, 213,556.16 and 58,155.64 is: 87,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,494.46 : 213,556.16 = 58,155.64 : x
  2. Step 2: Convert to fraction form
    142,494.46/213,556.16 = 58,155.64/x
  3. Step 3: Cross multiply
    142,494.46x = 213,556.16 × 58,155.64
  4. Step 4: Simplify right side
    142,494.46x = 12,419,494,772.24
  5. Step 5: Solve for x
    x = 12,419,494,772.24/142,494.46
  6. Step 6: Final answer
    x = 87,157.74

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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.