Home / 127,676.40-191,514.60-113,898.30

Finding the Fourth Proportional to 127,676.40, 191,514.60 and 113,898.30

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Solution

The fourth proportional to 127,676.40, 191,514.60 and 113,898.30 is: 170,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,676.40 : 191,514.60 = 113,898.30 : x
  2. Step 2: Convert to fraction form
    127,676.40/191,514.60 = 113,898.30/x
  3. Step 3: Cross multiply
    127,676.40x = 191,514.60 × 113,898.30
  4. Step 4: Simplify right side
    127,676.40x = 21,813,187,365.18
  5. Step 5: Solve for x
    x = 21,813,187,365.18/127,676.40
  6. Step 6: Final answer
    x = 170,847.45

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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.