Home / 189,459.54-261,456.30-104,576.58

Finding the Fourth Proportional to 189,459.54, 261,456.30 and 104,576.58

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Solution

The fourth proportional to 189,459.54, 261,456.30 and 104,576.58 is: 144,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,459.54 : 261,456.30 = 104,576.58 : x
  2. Step 2: Convert to fraction form
    189,459.54/261,456.30 = 104,576.58/x
  3. Step 3: Cross multiply
    189,459.54x = 261,456.30 × 104,576.58
  4. Step 4: Simplify right side
    189,459.54x = 27,342,205,673.45
  5. Step 5: Solve for x
    x = 27,342,205,673.45/189,459.54
  6. Step 6: Final answer
    x = 144,316.86

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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.