Home / 156,457.63-234,608.78-49,827.69

Finding the Fourth Proportional to 156,457.63, 234,608.78 and 49,827.69

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Solution

The fourth proportional to 156,457.63, 234,608.78 and 49,827.69 is: 74,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,457.63 : 234,608.78 = 49,827.69 : x
  2. Step 2: Convert to fraction form
    156,457.63/234,608.78 = 49,827.69/x
  3. Step 3: Cross multiply
    156,457.63x = 234,608.78 × 49,827.69
  4. Step 4: Simplify right side
    156,457.63x = 11,690,012,138.94
  5. Step 5: Solve for x
    x = 11,690,012,138.94/156,457.63
  6. Step 6: Final answer
    x = 74,716.79

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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.