Home / 162,270.20-243,425.81-55,625.25

Finding the Fourth Proportional to 162,270.20, 243,425.81 and 55,625.25

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Solution

The fourth proportional to 162,270.20, 243,425.81 and 55,625.25 is: 83,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,270.20 : 243,425.81 = 55,625.25 : x
  2. Step 2: Convert to fraction form
    162,270.20/243,425.81 = 55,625.25/x
  3. Step 3: Cross multiply
    162,270.20x = 243,425.81 × 55,625.25
  4. Step 4: Simplify right side
    162,270.20x = 13,540,621,259.58
  5. Step 5: Solve for x
    x = 13,540,621,259.58/162,270.20
  6. Step 6: Final answer
    x = 83,444.91

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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.