Home / 126,525.47-189,392.92-84,440.03

Finding the Fourth Proportional to 126,525.47, 189,392.92 and 84,440.03

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Solution

The fourth proportional to 126,525.47, 189,392.92 and 84,440.03 is: 126,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525.47 : 189,392.92 = 84,440.03 : x
  2. Step 2: Convert to fraction form
    126,525.47/189,392.92 = 84,440.03/x
  3. Step 3: Cross multiply
    126,525.47x = 189,392.92 × 84,440.03
  4. Step 4: Simplify right side
    126,525.47x = 15,992,342,688.52
  5. Step 5: Solve for x
    x = 15,992,342,688.52/126,525.47
  6. Step 6: Final answer
    x = 126,396.24

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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.