Home / 136,071.46-187,790.43-75,653.92

Finding the Fourth Proportional to 136,071.46, 187,790.43 and 75,653.92

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Solution

The fourth proportional to 136,071.46, 187,790.43 and 75,653.92 is: 104,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,071.46 : 187,790.43 = 75,653.92 : x
  2. Step 2: Convert to fraction form
    136,071.46/187,790.43 = 75,653.92/x
  3. Step 3: Cross multiply
    136,071.46x = 187,790.43 × 75,653.92
  4. Step 4: Simplify right side
    136,071.46x = 14,207,082,167.99
  5. Step 5: Solve for x
    x = 14,207,082,167.99/136,071.46
  6. Step 6: Final answer
    x = 104,408.98

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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.