Home / 189,153.33-261,033.35-104,273.43

Finding the Fourth Proportional to 189,153.33, 261,033.35 and 104,273.43

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Solution

The fourth proportional to 189,153.33, 261,033.35 and 104,273.43 is: 143,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,153.33 : 261,033.35 = 104,273.43 : x
  2. Step 2: Convert to fraction form
    189,153.33/261,033.35 = 104,273.43/x
  3. Step 3: Cross multiply
    189,153.33x = 261,033.35 × 104,273.43
  4. Step 4: Simplify right side
    189,153.33x = 27,218,842,748.89
  5. Step 5: Solve for x
    x = 27,218,842,748.89/189,153.33
  6. Step 6: Final answer
    x = 143,898.30

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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.