Home / 162,207.29-243,130.26-67,384.64

Finding the Fourth Proportional to 162,207.29, 243,130.26 and 67,384.64

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Solution

The fourth proportional to 162,207.29, 243,130.26 and 67,384.64 is: 101,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,207.29 : 243,130.26 = 67,384.64 : x
  2. Step 2: Convert to fraction form
    162,207.29/243,130.26 = 67,384.64/x
  3. Step 3: Cross multiply
    162,207.29x = 243,130.26 × 67,384.64
  4. Step 4: Simplify right side
    162,207.29x = 16,383,245,043.21
  5. Step 5: Solve for x
    x = 16,383,245,043.21/162,207.29
  6. Step 6: Final answer
    x = 101,001.90

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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.