Home / 164,005.20-245,748.60-137,566.80

Finding the Fourth Proportional to 164,005.20, 245,748.60 and 137,566.80

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Solution

The fourth proportional to 164,005.20, 245,748.60 and 137,566.80 is: 206,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,005.20 : 245,748.60 = 137,566.80 : x
  2. Step 2: Convert to fraction form
    164,005.20/245,748.60 = 137,566.80/x
  3. Step 3: Cross multiply
    164,005.20x = 245,748.60 × 137,566.80
  4. Step 4: Simplify right side
    164,005.20x = 33,806,848,506.48
  5. Step 5: Solve for x
    x = 33,806,848,506.48/164,005.20
  6. Step 6: Final answer
    x = 206,132.78

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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.