Home / 189,208.48-261,106.16-104,323.76

Finding the Fourth Proportional to 189,208.48, 261,106.16 and 104,323.76

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Solution

The fourth proportional to 189,208.48, 261,106.16 and 104,323.76 is: 143,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,208.48 : 261,106.16 = 104,323.76 : x
  2. Step 2: Convert to fraction form
    189,208.48/261,106.16 = 104,323.76/x
  3. Step 3: Cross multiply
    189,208.48x = 261,106.16 × 104,323.76
  4. Step 4: Simplify right side
    189,208.48x = 27,239,576,370.36
  5. Step 5: Solve for x
    x = 27,239,576,370.36/189,208.48
  6. Step 6: Final answer
    x = 143,965.94

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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.