Home / 172,836.08-238,558.20-112,556.96

Finding the Fourth Proportional to 172,836.08, 238,558.20 and 112,556.96

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Solution

The fourth proportional to 172,836.08, 238,558.20 and 112,556.96 is: 155,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,836.08 : 238,558.20 = 112,556.96 : x
  2. Step 2: Convert to fraction form
    172,836.08/238,558.20 = 112,556.96/x
  3. Step 3: Cross multiply
    172,836.08x = 238,558.20 × 112,556.96
  4. Step 4: Simplify right side
    172,836.08x = 26,851,385,775.07
  5. Step 5: Solve for x
    x = 26,851,385,775.07/172,836.08
  6. Step 6: Final answer
    x = 155,357.53

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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.