Home / 172,635.49-238,301.76-127,675.33

Finding the Fourth Proportional to 172,635.49, 238,301.76 and 127,675.33

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Solution

The fourth proportional to 172,635.49, 238,301.76 and 127,675.33 is: 176,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,635.49 : 238,301.76 = 127,675.33 : x
  2. Step 2: Convert to fraction form
    172,635.49/238,301.76 = 127,675.33/x
  3. Step 3: Cross multiply
    172,635.49x = 238,301.76 × 127,675.33
  4. Step 4: Simplify right side
    172,635.49x = 30,425,255,847.58
  5. Step 5: Solve for x
    x = 30,425,255,847.58/172,635.49
  6. Step 6: Final answer
    x = 176,239.87

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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.