Home / 123,609.66-185,353.09-39,358.83

Finding the Fourth Proportional to 123,609.66, 185,353.09 and 39,358.83

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Solution

The fourth proportional to 123,609.66, 185,353.09 and 39,358.83 is: 59,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,609.66 : 185,353.09 = 39,358.83 : x
  2. Step 2: Convert to fraction form
    123,609.66/185,353.09 = 39,358.83/x
  3. Step 3: Cross multiply
    123,609.66x = 185,353.09 × 39,358.83
  4. Step 4: Simplify right side
    123,609.66x = 7,295,279,832.52
  5. Step 5: Solve for x
    x = 7,295,279,832.52/123,609.66
  6. Step 6: Final answer
    x = 59,018.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.