Home / 233,063.30-321,455.30-172,636.50

Finding the Fourth Proportional to 233,063.30, 321,455.30 and 172,636.50

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Solution

The fourth proportional to 233,063.30, 321,455.30 and 172,636.50 is: 238,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,063.30 : 321,455.30 = 172,636.50 : x
  2. Step 2: Convert to fraction form
    233,063.30/321,455.30 = 172,636.50/x
  3. Step 3: Cross multiply
    233,063.30x = 321,455.30 × 172,636.50
  4. Step 4: Simplify right side
    233,063.30x = 55,494,917,898.45
  5. Step 5: Solve for x
    x = 55,494,917,898.45/233,063.30
  6. Step 6: Final answer
    x = 238,110.92

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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.