Home / 126,255.08-189,408.54-37,500.68

Finding the Fourth Proportional to 126,255.08, 189,408.54 and 37,500.68

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Solution

The fourth proportional to 126,255.08, 189,408.54 and 37,500.68 is: 56,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.08 : 189,408.54 = 37,500.68 : x
  2. Step 2: Convert to fraction form
    126,255.08/189,408.54 = 37,500.68/x
  3. Step 3: Cross multiply
    126,255.08x = 189,408.54 × 37,500.68
  4. Step 4: Simplify right side
    126,255.08x = 7,102,949,047.81
  5. Step 5: Solve for x
    x = 7,102,949,047.81/126,255.08
  6. Step 6: Final answer
    x = 56,258.72

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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.