Home / 189,459.45-261,456.21-104,576.58

Finding the Fourth Proportional to 189,459.45, 261,456.21 and 104,576.58

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Solution

The fourth proportional to 189,459.45, 261,456.21 and 104,576.58 is: 144,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,459.45 : 261,456.21 = 104,576.58 : x
  2. Step 2: Convert to fraction form
    189,459.45/261,456.21 = 104,576.58/x
  3. Step 3: Cross multiply
    189,459.45x = 261,456.21 × 104,576.58
  4. Step 4: Simplify right side
    189,459.45x = 27,342,196,261.56
  5. Step 5: Solve for x
    x = 27,342,196,261.56/189,459.45
  6. Step 6: Final answer
    x = 144,316.88

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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.