Home / 261,582.55-392,371.70-173,231.39

Finding the Fourth Proportional to 261,582.55, 392,371.70 and 173,231.39

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Solution

The fourth proportional to 261,582.55, 392,371.70 and 173,231.39 is: 259,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,582.55 : 392,371.70 = 173,231.39 : x
  2. Step 2: Convert to fraction form
    261,582.55/392,371.70 = 173,231.39/x
  3. Step 3: Cross multiply
    261,582.55x = 392,371.70 × 173,231.39
  4. Step 4: Simplify right side
    261,582.55x = 67,971,095,102.44
  5. Step 5: Solve for x
    x = 67,971,095,102.44/261,582.55
  6. Step 6: Final answer
    x = 259,845.68

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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.