Home / 162,002.09-243,111.60-67,232.37

Finding the Fourth Proportional to 162,002.09, 243,111.60 and 67,232.37

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Solution

The fourth proportional to 162,002.09, 243,111.60 and 67,232.37 is: 100,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.09 : 243,111.60 = 67,232.37 : x
  2. Step 2: Convert to fraction form
    162,002.09/243,111.60 = 67,232.37/x
  3. Step 3: Cross multiply
    162,002.09x = 243,111.60 × 67,232.37
  4. Step 4: Simplify right side
    162,002.09x = 16,344,969,954.16
  5. Step 5: Solve for x
    x = 16,344,969,954.16/162,002.09
  6. Step 6: Final answer
    x = 100,893.57

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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.