Home / 163,637.81-225,821.57-92,017.20

Finding the Fourth Proportional to 163,637.81, 225,821.57 and 92,017.20

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Solution

The fourth proportional to 163,637.81, 225,821.57 and 92,017.20 is: 126,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,637.81 : 225,821.57 = 92,017.20 : x
  2. Step 2: Convert to fraction form
    163,637.81/225,821.57 = 92,017.20/x
  3. Step 3: Cross multiply
    163,637.81x = 225,821.57 × 92,017.20
  4. Step 4: Simplify right side
    163,637.81x = 20,779,468,110.92
  5. Step 5: Solve for x
    x = 20,779,468,110.92/163,637.81
  6. Step 6: Final answer
    x = 126,984.52

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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.