Home / 163,296.78-225,342.33-91,675.38

Finding the Fourth Proportional to 163,296.78, 225,342.33 and 91,675.38

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Solution

The fourth proportional to 163,296.78, 225,342.33 and 91,675.38 is: 126,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296.78 : 225,342.33 = 91,675.38 : x
  2. Step 2: Convert to fraction form
    163,296.78/225,342.33 = 91,675.38/x
  3. Step 3: Cross multiply
    163,296.78x = 225,342.33 × 91,675.38
  4. Step 4: Simplify right side
    163,296.78x = 20,658,343,732.84
  5. Step 5: Solve for x
    x = 20,658,343,732.84/163,296.78
  6. Step 6: Final answer
    x = 126,507.97

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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.