Home / 129,777.93-178,827.75-95,732.42

Finding the Fourth Proportional to 129,777.93, 178,827.75 and 95,732.42

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Solution

The fourth proportional to 129,777.93, 178,827.75 and 95,732.42 is: 131,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,777.93 : 178,827.75 = 95,732.42 : x
  2. Step 2: Convert to fraction form
    129,777.93/178,827.75 = 95,732.42/x
  3. Step 3: Cross multiply
    129,777.93x = 178,827.75 × 95,732.42
  4. Step 4: Simplify right side
    129,777.93x = 17,119,612,376.52
  5. Step 5: Solve for x
    x = 17,119,612,376.52/129,777.93
  6. Step 6: Final answer
    x = 131,914.67

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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.