Home / 136,458.20-204,614.40-57,483.20

Finding the Fourth Proportional to 136,458.20, 204,614.40 and 57,483.20

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Solution

The fourth proportional to 136,458.20, 204,614.40 and 57,483.20 is: 86,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,458.20 : 204,614.40 = 57,483.20 : x
  2. Step 2: Convert to fraction form
    136,458.20/204,614.40 = 57,483.20/x
  3. Step 3: Cross multiply
    136,458.20x = 204,614.40 × 57,483.20
  4. Step 4: Simplify right side
    136,458.20x = 11,761,890,478.08
  5. Step 5: Solve for x
    x = 11,761,890,478.08/136,458.20
  6. Step 6: Final answer
    x = 86,194.09

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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.