Home / 162,056.85-243,111.19-68,563.41

Finding the Fourth Proportional to 162,056.85, 243,111.19 and 68,563.41

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Solution

The fourth proportional to 162,056.85, 243,111.19 and 68,563.41 is: 102,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,056.85 : 243,111.19 = 68,563.41 : x
  2. Step 2: Convert to fraction form
    162,056.85/243,111.19 = 68,563.41/x
  3. Step 3: Cross multiply
    162,056.85x = 243,111.19 × 68,563.41
  4. Step 4: Simplify right side
    162,056.85x = 16,668,532,195.56
  5. Step 5: Solve for x
    x = 16,668,532,195.56/162,056.85
  6. Step 6: Final answer
    x = 102,856.08

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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.