Home / 163,021.40-244,532.10-92,162.60

Finding the Fourth Proportional to 163,021.40, 244,532.10 and 92,162.60

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Solution

The fourth proportional to 163,021.40, 244,532.10 and 92,162.60 is: 138,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,021.40 : 244,532.10 = 92,162.60 : x
  2. Step 2: Convert to fraction form
    163,021.40/244,532.10 = 92,162.60/x
  3. Step 3: Cross multiply
    163,021.40x = 244,532.10 × 92,162.60
  4. Step 4: Simplify right side
    163,021.40x = 22,536,714,119.46
  5. Step 5: Solve for x
    x = 22,536,714,119.46/163,021.40
  6. Step 6: Final answer
    x = 138,243.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.