Home / 132,921.02-199,392.34-39,426.50

Finding the Fourth Proportional to 132,921.02, 199,392.34 and 39,426.50

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Solution

The fourth proportional to 132,921.02, 199,392.34 and 39,426.50 is: 59,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.02 : 199,392.34 = 39,426.50 : x
  2. Step 2: Convert to fraction form
    132,921.02/199,392.34 = 39,426.50/x
  3. Step 3: Cross multiply
    132,921.02x = 199,392.34 × 39,426.50
  4. Step 4: Simplify right side
    132,921.02x = 7,861,342,093.01
  5. Step 5: Solve for x
    x = 7,861,342,093.01/132,921.02
  6. Step 6: Final answer
    x = 59,142.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.