Home / 172,243.56-258,225.93-53,853.96

Finding the Fourth Proportional to 172,243.56, 258,225.93 and 53,853.96

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Solution

The fourth proportional to 172,243.56, 258,225.93 and 53,853.96 is: 80,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,243.56 : 258,225.93 = 53,853.96 : x
  2. Step 2: Convert to fraction form
    172,243.56/258,225.93 = 53,853.96/x
  3. Step 3: Cross multiply
    172,243.56x = 258,225.93 × 53,853.96
  4. Step 4: Simplify right side
    172,243.56x = 13,906,488,905.18
  5. Step 5: Solve for x
    x = 13,906,488,905.18/172,243.56
  6. Step 6: Final answer
    x = 80,737.35

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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.