Home / 131,732.32-197,629.98-42,986.02

Finding the Fourth Proportional to 131,732.32, 197,629.98 and 42,986.02

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Solution

The fourth proportional to 131,732.32, 197,629.98 and 42,986.02 is: 64,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.32 : 197,629.98 = 42,986.02 : x
  2. Step 2: Convert to fraction form
    131,732.32/197,629.98 = 42,986.02/x
  3. Step 3: Cross multiply
    131,732.32x = 197,629.98 × 42,986.02
  4. Step 4: Simplify right side
    131,732.32x = 8,495,326,272.88
  5. Step 5: Solve for x
    x = 8,495,326,272.88/131,732.32
  6. Step 6: Final answer
    x = 64,489.31

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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.