Home / 146,429.40-219,644.10-124,340.70

Finding the Fourth Proportional to 146,429.40, 219,644.10 and 124,340.70

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Solution

The fourth proportional to 146,429.40, 219,644.10 and 124,340.70 is: 186,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,429.40 : 219,644.10 = 124,340.70 : x
  2. Step 2: Convert to fraction form
    146,429.40/219,644.10 = 124,340.70/x
  3. Step 3: Cross multiply
    146,429.40x = 219,644.10 × 124,340.70
  4. Step 4: Simplify right side
    146,429.40x = 27,310,701,144.87
  5. Step 5: Solve for x
    x = 27,310,701,144.87/146,429.40
  6. Step 6: Final answer
    x = 186,511.05

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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.