Home / 189,440.96-261,420.64-104,556.80

Finding the Fourth Proportional to 189,440.96, 261,420.64 and 104,556.80

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Solution

The fourth proportional to 189,440.96, 261,420.64 and 104,556.80 is: 144,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.96 : 261,420.64 = 104,556.80 : x
  2. Step 2: Convert to fraction form
    189,440.96/261,420.64 = 104,556.80/x
  3. Step 3: Cross multiply
    189,440.96x = 261,420.64 × 104,556.80
  4. Step 4: Simplify right side
    189,440.96x = 27,333,305,572.35
  5. Step 5: Solve for x
    x = 27,333,305,572.35/189,440.96
  6. Step 6: Final answer
    x = 144,284.03

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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.