Home / 189,336.64-261,285.60-104,453.76

Finding the Fourth Proportional to 189,336.64, 261,285.60 and 104,453.76

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Solution

The fourth proportional to 189,336.64, 261,285.60 and 104,453.76 is: 144,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.64 : 261,285.60 = 104,453.76 : x
  2. Step 2: Convert to fraction form
    189,336.64/261,285.60 = 104,453.76/x
  3. Step 3: Cross multiply
    189,336.64x = 261,285.60 × 104,453.76
  4. Step 4: Simplify right side
    189,336.64x = 27,292,263,353.86
  5. Step 5: Solve for x
    x = 27,292,263,353.86/189,336.64
  6. Step 6: Final answer
    x = 144,146.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.