Home / 127,514.01-176,021.19-82,194.51

Finding the Fourth Proportional to 127,514.01, 176,021.19 and 82,194.51

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Solution

The fourth proportional to 127,514.01, 176,021.19 and 82,194.51 is: 113,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,514.01 : 176,021.19 = 82,194.51 : x
  2. Step 2: Convert to fraction form
    127,514.01/176,021.19 = 82,194.51/x
  3. Step 3: Cross multiply
    127,514.01x = 176,021.19 × 82,194.51
  4. Step 4: Simplify right side
    127,514.01x = 14,467,975,461.67
  5. Step 5: Solve for x
    x = 14,467,975,461.67/127,514.01
  6. Step 6: Final answer
    x = 113,461.85

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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.