Home / 141,933.06-212,895-57,668.34

Finding the Fourth Proportional to 141,933.06, 212,895 and 57,668.34

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Solution

The fourth proportional to 141,933.06, 212,895 and 57,668.34 is: 86,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933.06 : 212,895 = 57,668.34 : x
  2. Step 2: Convert to fraction form
    141,933.06/212,895 = 57,668.34/x
  3. Step 3: Cross multiply
    141,933.06x = 212,895 × 57,668.34
  4. Step 4: Simplify right side
    141,933.06x = 12,277,301,244.30
  5. Step 5: Solve for x
    x = 12,277,301,244.30/141,933.06
  6. Step 6: Final answer
    x = 86,500.65

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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.