Home / 189,447.70-261,440.01-104,564.83

Finding the Fourth Proportional to 189,447.70, 261,440.01 and 104,564.83

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Solution

The fourth proportional to 189,447.70, 261,440.01 and 104,564.83 is: 144,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.70 : 261,440.01 = 104,564.83 : x
  2. Step 2: Convert to fraction form
    189,447.70/261,440.01 = 104,564.83/x
  3. Step 3: Cross multiply
    189,447.70x = 261,440.01 × 104,564.83
  4. Step 4: Simplify right side
    189,447.70x = 27,337,430,200.85
  5. Step 5: Solve for x
    x = 27,337,430,200.85/189,447.70
  6. Step 6: Final answer
    x = 144,300.67

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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.