Home / 189,198.52-261,088.56-104,315.68

Finding the Fourth Proportional to 189,198.52, 261,088.56 and 104,315.68

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Solution

The fourth proportional to 189,198.52, 261,088.56 and 104,315.68 is: 143,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.52 : 261,088.56 = 104,315.68 : x
  2. Step 2: Convert to fraction form
    189,198.52/261,088.56 = 104,315.68/x
  3. Step 3: Cross multiply
    189,198.52x = 261,088.56 × 104,315.68
  4. Step 4: Simplify right side
    189,198.52x = 27,235,630,676.62
  5. Step 5: Solve for x
    x = 27,235,630,676.62/189,198.52
  6. Step 6: Final answer
    x = 143,952.66

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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.