Home / 188,731.30-260,457.76-117,134.38

Finding the Fourth Proportional to 188,731.30, 260,457.76 and 117,134.38

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Solution

The fourth proportional to 188,731.30, 260,457.76 and 117,134.38 is: 161,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.30 : 260,457.76 = 117,134.38 : x
  2. Step 2: Convert to fraction form
    188,731.30/260,457.76 = 117,134.38/x
  3. Step 3: Cross multiply
    188,731.30x = 260,457.76 × 117,134.38
  4. Step 4: Simplify right side
    188,731.30x = 30,508,558,233.79
  5. Step 5: Solve for x
    x = 30,508,558,233.79/188,731.30
  6. Step 6: Final answer
    x = 161,650.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.