Home / 295,623.36-443,125.44-137,721.60

Finding the Fourth Proportional to 295,623.36, 443,125.44 and 137,721.60

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Solution

The fourth proportional to 295,623.36, 443,125.44 and 137,721.60 is: 206,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,623.36 : 443,125.44 = 137,721.60 : x
  2. Step 2: Convert to fraction form
    295,623.36/443,125.44 = 137,721.60/x
  3. Step 3: Cross multiply
    295,623.36x = 443,125.44 × 137,721.60
  4. Step 4: Simplify right side
    295,623.36x = 61,027,944,597.50
  5. Step 5: Solve for x
    x = 61,027,944,597.50/295,623.36
  6. Step 6: Final answer
    x = 206,438.17

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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.