Home / 146,540.40-219,810.60-125,545.20

Finding the Fourth Proportional to 146,540.40, 219,810.60 and 125,545.20

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Solution

The fourth proportional to 146,540.40, 219,810.60 and 125,545.20 is: 188,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.40 : 219,810.60 = 125,545.20 : x
  2. Step 2: Convert to fraction form
    146,540.40/219,810.60 = 125,545.20/x
  3. Step 3: Cross multiply
    146,540.40x = 219,810.60 × 125,545.20
  4. Step 4: Simplify right side
    146,540.40x = 27,596,165,739.12
  5. Step 5: Solve for x
    x = 27,596,165,739.12/146,540.40
  6. Step 6: Final answer
    x = 188,317.80

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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.