Home / 199,045.41-274,680.75-108,402.89

Finding the Fourth Proportional to 199,045.41, 274,680.75 and 108,402.89

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Solution

The fourth proportional to 199,045.41, 274,680.75 and 108,402.89 is: 149,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,045.41 : 274,680.75 = 108,402.89 : x
  2. Step 2: Convert to fraction form
    199,045.41/274,680.75 = 108,402.89/x
  3. Step 3: Cross multiply
    199,045.41x = 274,680.75 × 108,402.89
  4. Step 4: Simplify right side
    199,045.41x = 29,776,186,440.67
  5. Step 5: Solve for x
    x = 29,776,186,440.67/199,045.41
  6. Step 6: Final answer
    x = 149,594.94

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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.