Home / 140,636.17-194,077.91-76,973.97

Finding the Fourth Proportional to 140,636.17, 194,077.91 and 76,973.97

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Solution

The fourth proportional to 140,636.17, 194,077.91 and 76,973.97 is: 106,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,636.17 : 194,077.91 = 76,973.97 : x
  2. Step 2: Convert to fraction form
    140,636.17/194,077.91 = 76,973.97/x
  3. Step 3: Cross multiply
    140,636.17x = 194,077.91 × 76,973.97
  4. Step 4: Simplify right side
    140,636.17x = 14,938,946,251.61
  5. Step 5: Solve for x
    x = 14,938,946,251.61/140,636.17
  6. Step 6: Final answer
    x = 106,224.07

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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.