Home / 310,845.60-465,922.80-133,322.40

Finding the Fourth Proportional to 310,845.60, 465,922.80 and 133,322.40

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Solution

The fourth proportional to 310,845.60, 465,922.80 and 133,322.40 is: 199,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,845.60 : 465,922.80 = 133,322.40 : x
  2. Step 2: Convert to fraction form
    310,845.60/465,922.80 = 133,322.40/x
  3. Step 3: Cross multiply
    310,845.60x = 465,922.80 × 133,322.40
  4. Step 4: Simplify right side
    310,845.60x = 62,117,945,910.72
  5. Step 5: Solve for x
    x = 62,117,945,910.72/310,845.60
  6. Step 6: Final answer
    x = 199,835.37

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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.