Home / 131,867.84-197,585.51-55,905.69

Finding the Fourth Proportional to 131,867.84, 197,585.51 and 55,905.69

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Solution

The fourth proportional to 131,867.84, 197,585.51 and 55,905.69 is: 83,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,867.84 : 197,585.51 = 55,905.69 : x
  2. Step 2: Convert to fraction form
    131,867.84/197,585.51 = 55,905.69/x
  3. Step 3: Cross multiply
    131,867.84x = 197,585.51 × 55,905.69
  4. Step 4: Simplify right side
    131,867.84x = 11,046,154,270.55
  5. Step 5: Solve for x
    x = 11,046,154,270.55/131,867.84
  6. Step 6: Final answer
    x = 83,766.86

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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.