Home / 131,045.94-196,568.92-42,312.52

Finding the Fourth Proportional to 131,045.94, 196,568.92 and 42,312.52

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Solution

The fourth proportional to 131,045.94, 196,568.92 and 42,312.52 is: 63,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,045.94 : 196,568.92 = 42,312.52 : x
  2. Step 2: Convert to fraction form
    131,045.94/196,568.92 = 42,312.52/x
  3. Step 3: Cross multiply
    131,045.94x = 196,568.92 × 42,312.52
  4. Step 4: Simplify right side
    131,045.94x = 8,317,326,358.88
  5. Step 5: Solve for x
    x = 8,317,326,358.88/131,045.94
  6. Step 6: Final answer
    x = 63,468.78

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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.