Home / 156,741.76-234,882.16-92,633.92

Finding the Fourth Proportional to 156,741.76, 234,882.16 and 92,633.92

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Solution

The fourth proportional to 156,741.76, 234,882.16 and 92,633.92 is: 138,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.76 : 234,882.16 = 92,633.92 : x
  2. Step 2: Convert to fraction form
    156,741.76/234,882.16 = 92,633.92/x
  3. Step 3: Cross multiply
    156,741.76x = 234,882.16 × 92,633.92
  4. Step 4: Simplify right side
    156,741.76x = 21,758,055,218.87
  5. Step 5: Solve for x
    x = 21,758,055,218.87/156,741.76
  6. Step 6: Final answer
    x = 138,814.67

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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.