Home / 166,828.53-230,223.50-90,347.74

Finding the Fourth Proportional to 166,828.53, 230,223.50 and 90,347.74

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Solution

The fourth proportional to 166,828.53, 230,223.50 and 90,347.74 is: 124,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828.53 : 230,223.50 = 90,347.74 : x
  2. Step 2: Convert to fraction form
    166,828.53/230,223.50 = 90,347.74/x
  3. Step 3: Cross multiply
    166,828.53x = 230,223.50 × 90,347.74
  4. Step 4: Simplify right side
    166,828.53x = 20,800,172,919.89
  5. Step 5: Solve for x
    x = 20,800,172,919.89/166,828.53
  6. Step 6: Final answer
    x = 124,679.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.