Home / 163,638.12-225,821.94-92,017.52

Finding the Fourth Proportional to 163,638.12, 225,821.94 and 92,017.52

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Solution

The fourth proportional to 163,638.12, 225,821.94 and 92,017.52 is: 126,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.12 : 225,821.94 = 92,017.52 : x
  2. Step 2: Convert to fraction form
    163,638.12/225,821.94 = 92,017.52/x
  3. Step 3: Cross multiply
    163,638.12x = 225,821.94 × 92,017.52
  4. Step 4: Simplify right side
    163,638.12x = 20,779,574,880.39
  5. Step 5: Solve for x
    x = 20,779,574,880.39/163,638.12
  6. Step 6: Final answer
    x = 126,984.93

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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.