Home / 240,583.67-331,992.28-137,202.69

Finding the Fourth Proportional to 240,583.67, 331,992.28 and 137,202.69

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Solution

The fourth proportional to 240,583.67, 331,992.28 and 137,202.69 is: 189,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,583.67 : 331,992.28 = 137,202.69 : x
  2. Step 2: Convert to fraction form
    240,583.67/331,992.28 = 137,202.69/x
  3. Step 3: Cross multiply
    240,583.67x = 331,992.28 × 137,202.69
  4. Step 4: Simplify right side
    240,583.67x = 45,550,233,875.23
  5. Step 5: Solve for x
    x = 45,550,233,875.23/240,583.67
  6. Step 6: Final answer
    x = 189,332.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.