Home / 140,573.94-193,790.27-100,217.64

Finding the Fourth Proportional to 140,573.94, 193,790.27 and 100,217.64

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Solution

The fourth proportional to 140,573.94, 193,790.27 and 100,217.64 is: 138,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,573.94 : 193,790.27 = 100,217.64 : x
  2. Step 2: Convert to fraction form
    140,573.94/193,790.27 = 100,217.64/x
  3. Step 3: Cross multiply
    140,573.94x = 193,790.27 × 100,217.64
  4. Step 4: Simplify right side
    140,573.94x = 19,421,203,998.84
  5. Step 5: Solve for x
    x = 19,421,203,998.84/140,573.94
  6. Step 6: Final answer
    x = 138,156.50

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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.