Home / 172,536.50-238,016.90-111,266.51

Finding the Fourth Proportional to 172,536.50, 238,016.90 and 111,266.51

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Solution

The fourth proportional to 172,536.50, 238,016.90 and 111,266.51 is: 153,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,536.50 : 238,016.90 = 111,266.51 : x
  2. Step 2: Convert to fraction form
    172,536.50/238,016.90 = 111,266.51/x
  3. Step 3: Cross multiply
    172,536.50x = 238,016.90 × 111,266.51
  4. Step 4: Simplify right side
    172,536.50x = 26,483,308,037.60
  5. Step 5: Solve for x
    x = 26,483,308,037.60/172,536.50
  6. Step 6: Final answer
    x = 153,493.94

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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.