Home / 140,137.41-193,339.08-107,881.89

Finding the Fourth Proportional to 140,137.41, 193,339.08 and 107,881.89

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Solution

The fourth proportional to 140,137.41, 193,339.08 and 107,881.89 is: 148,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137.41 : 193,339.08 = 107,881.89 : x
  2. Step 2: Convert to fraction form
    140,137.41/193,339.08 = 107,881.89/x
  3. Step 3: Cross multiply
    140,137.41x = 193,339.08 × 107,881.89
  4. Step 4: Simplify right side
    140,137.41x = 20,857,785,361.26
  5. Step 5: Solve for x
    x = 20,857,785,361.26/140,137.41
  6. Step 6: Final answer
    x = 148,838.10

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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.