Home / 131,671.96-197,537.16-51,717.64

Finding the Fourth Proportional to 131,671.96, 197,537.16 and 51,717.64

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Solution

The fourth proportional to 131,671.96, 197,537.16 and 51,717.64 is: 77,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,671.96 : 197,537.16 = 51,717.64 : x
  2. Step 2: Convert to fraction form
    131,671.96/197,537.16 = 51,717.64/x
  3. Step 3: Cross multiply
    131,671.96x = 197,537.16 × 51,717.64
  4. Step 4: Simplify right side
    131,671.96x = 10,216,155,727.50
  5. Step 5: Solve for x
    x = 10,216,155,727.50/131,671.96
  6. Step 6: Final answer
    x = 77,587.94

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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.