Home / 140,369.62-193,744.58-117,672.66

Finding the Fourth Proportional to 140,369.62, 193,744.58 and 117,672.66

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Solution

The fourth proportional to 140,369.62, 193,744.58 and 117,672.66 is: 162,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,369.62 : 193,744.58 = 117,672.66 : x
  2. Step 2: Convert to fraction form
    140,369.62/193,744.58 = 117,672.66/x
  3. Step 3: Cross multiply
    140,369.62x = 193,744.58 × 117,672.66
  4. Step 4: Simplify right side
    140,369.62x = 22,798,440,089.18
  5. Step 5: Solve for x
    x = 22,798,440,089.18/140,369.62
  6. Step 6: Final answer
    x = 162,417.20

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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.