Home / 189,555.36-261,584.76-104,667.12

Finding the Fourth Proportional to 189,555.36, 261,584.76 and 104,667.12

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Solution

The fourth proportional to 189,555.36, 261,584.76 and 104,667.12 is: 144,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,555.36 : 261,584.76 = 104,667.12 : x
  2. Step 2: Convert to fraction form
    189,555.36/261,584.76 = 104,667.12/x
  3. Step 3: Cross multiply
    189,555.36x = 261,584.76 × 104,667.12
  4. Step 4: Simplify right side
    189,555.36x = 27,379,323,465.09
  5. Step 5: Solve for x
    x = 27,379,323,465.09/189,555.36
  6. Step 6: Final answer
    x = 144,439.72

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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.