Home / 189,147.34-261,024.15-104,262.58

Finding the Fourth Proportional to 189,147.34, 261,024.15 and 104,262.58

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Solution

The fourth proportional to 189,147.34, 261,024.15 and 104,262.58 is: 143,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147.34 : 261,024.15 = 104,262.58 : x
  2. Step 2: Convert to fraction form
    189,147.34/261,024.15 = 104,262.58/x
  3. Step 3: Cross multiply
    189,147.34x = 261,024.15 × 104,262.58
  4. Step 4: Simplify right side
    189,147.34x = 27,215,051,321.31
  5. Step 5: Solve for x
    x = 27,215,051,321.31/189,147.34
  6. Step 6: Final answer
    x = 143,882.81

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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.