Home / 162,556.80-243,835.20-73,983.30

Finding the Fourth Proportional to 162,556.80, 243,835.20 and 73,983.30

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Solution

The fourth proportional to 162,556.80, 243,835.20 and 73,983.30 is: 110,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,556.80 : 243,835.20 = 73,983.30 : x
  2. Step 2: Convert to fraction form
    162,556.80/243,835.20 = 73,983.30/x
  3. Step 3: Cross multiply
    162,556.80x = 243,835.20 × 73,983.30
  4. Step 4: Simplify right side
    162,556.80x = 18,039,732,752.16
  5. Step 5: Solve for x
    x = 18,039,732,752.16/162,556.80
  6. Step 6: Final answer
    x = 110,974.95

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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.