Home / 141,933.08-212,895-57,668.33

Finding the Fourth Proportional to 141,933.08, 212,895 and 57,668.33

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Solution

The fourth proportional to 141,933.08, 212,895 and 57,668.33 is: 86,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933.08 : 212,895 = 57,668.33 : x
  2. Step 2: Convert to fraction form
    141,933.08/212,895 = 57,668.33/x
  3. Step 3: Cross multiply
    141,933.08x = 212,895 × 57,668.33
  4. Step 4: Simplify right side
    141,933.08x = 12,277,298,050.88
  5. Step 5: Solve for x
    x = 12,277,298,050.88/141,933.08
  6. Step 6: Final answer
    x = 86,500.61

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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.