Home / 141,676.29-195,514.56-78,014.34

Finding the Fourth Proportional to 141,676.29, 195,514.56 and 78,014.34

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Solution

The fourth proportional to 141,676.29, 195,514.56 and 78,014.34 is: 107,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,676.29 : 195,514.56 = 78,014.34 : x
  2. Step 2: Convert to fraction form
    141,676.29/195,514.56 = 78,014.34/x
  3. Step 3: Cross multiply
    141,676.29x = 195,514.56 × 78,014.34
  4. Step 4: Simplify right side
    141,676.29x = 15,252,939,358.79
  5. Step 5: Solve for x
    x = 15,252,939,358.79/141,676.29
  6. Step 6: Final answer
    x = 107,660.49

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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.