Home / 102,257.92-153,186.52-67,090.96

Finding the Fourth Proportional to 102,257.92, 153,186.52 and 67,090.96

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Solution

The fourth proportional to 102,257.92, 153,186.52 and 67,090.96 is: 100,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,257.92 : 153,186.52 = 67,090.96 : x
  2. Step 2: Convert to fraction form
    102,257.92/153,186.52 = 67,090.96/x
  3. Step 3: Cross multiply
    102,257.92x = 153,186.52 × 67,090.96
  4. Step 4: Simplify right side
    102,257.92x = 10,277,430,685.86
  5. Step 5: Solve for x
    x = 10,277,430,685.86/102,257.92
  6. Step 6: Final answer
    x = 100,504.98

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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.