Home / 162,154.32-243,236.96-43,826.69

Finding the Fourth Proportional to 162,154.32, 243,236.96 and 43,826.69

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Solution

The fourth proportional to 162,154.32, 243,236.96 and 43,826.69 is: 65,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154.32 : 243,236.96 = 43,826.69 : x
  2. Step 2: Convert to fraction form
    162,154.32/243,236.96 = 43,826.69/x
  3. Step 3: Cross multiply
    162,154.32x = 243,236.96 × 43,826.69
  4. Step 4: Simplify right side
    162,154.32x = 10,660,269,407.14
  5. Step 5: Solve for x
    x = 10,660,269,407.14/162,154.32
  6. Step 6: Final answer
    x = 65,741.51

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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.