Home / 163,638.56-225,822.60-92,017.96

Finding the Fourth Proportional to 163,638.56, 225,822.60 and 92,017.96

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Solution

The fourth proportional to 163,638.56, 225,822.60 and 92,017.96 is: 126,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.56 : 225,822.60 = 92,017.96 : x
  2. Step 2: Convert to fraction form
    163,638.56/225,822.60 = 92,017.96/x
  3. Step 3: Cross multiply
    163,638.56x = 225,822.60 × 92,017.96
  4. Step 4: Simplify right side
    163,638.56x = 20,779,734,409.34
  5. Step 5: Solve for x
    x = 20,779,734,409.34/163,638.56
  6. Step 6: Final answer
    x = 126,985.56

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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.