Home / 199,927.40-275,721.15-165,881.97

Finding the Fourth Proportional to 199,927.40, 275,721.15 and 165,881.97

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Solution

The fourth proportional to 199,927.40, 275,721.15 and 165,881.97 is: 228,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,927.40 : 275,721.15 = 165,881.97 : x
  2. Step 2: Convert to fraction form
    199,927.40/275,721.15 = 165,881.97/x
  3. Step 3: Cross multiply
    199,927.40x = 275,721.15 × 165,881.97
  4. Step 4: Simplify right side
    199,927.40x = 45,737,168,154.72
  5. Step 5: Solve for x
    x = 45,737,168,154.72/199,927.40
  6. Step 6: Final answer
    x = 228,768.89

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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.