Home / 139,676.96-209,514.33-92,503.16

Finding the Fourth Proportional to 139,676.96, 209,514.33 and 92,503.16

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Solution

The fourth proportional to 139,676.96, 209,514.33 and 92,503.16 is: 138,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,676.96 : 209,514.33 = 92,503.16 : x
  2. Step 2: Convert to fraction form
    139,676.96/209,514.33 = 92,503.16/x
  3. Step 3: Cross multiply
    139,676.96x = 209,514.33 × 92,503.16
  4. Step 4: Simplify right side
    139,676.96x = 19,380,737,590.28
  5. Step 5: Solve for x
    x = 19,380,737,590.28/139,676.96
  6. Step 6: Final answer
    x = 138,754.00

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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.