Home / 140,890.96-194,102.76-98,382.16

Finding the Fourth Proportional to 140,890.96, 194,102.76 and 98,382.16

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Solution

The fourth proportional to 140,890.96, 194,102.76 and 98,382.16 is: 135,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.96 : 194,102.76 = 98,382.16 : x
  2. Step 2: Convert to fraction form
    140,890.96/194,102.76 = 98,382.16/x
  3. Step 3: Cross multiply
    140,890.96x = 194,102.76 × 98,382.16
  4. Step 4: Simplify right side
    140,890.96x = 19,096,248,790.76
  5. Step 5: Solve for x
    x = 19,096,248,790.76/140,890.96
  6. Step 6: Final answer
    x = 135,539.21

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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.