Home / 137,609.16-189,954.66-92,270.58

Finding the Fourth Proportional to 137,609.16, 189,954.66 and 92,270.58

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Solution

The fourth proportional to 137,609.16, 189,954.66 and 92,270.58 is: 127,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609.16 : 189,954.66 = 92,270.58 : x
  2. Step 2: Convert to fraction form
    137,609.16/189,954.66 = 92,270.58/x
  3. Step 3: Cross multiply
    137,609.16x = 189,954.66 × 92,270.58
  4. Step 4: Simplify right side
    137,609.16x = 17,527,226,651.90
  5. Step 5: Solve for x
    x = 17,527,226,651.90/137,609.16
  6. Step 6: Final answer
    x = 127,369.62

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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.