Home / 240,582.67-331,990.90-137,201.69

Finding the Fourth Proportional to 240,582.67, 331,990.90 and 137,201.69

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Solution

The fourth proportional to 240,582.67, 331,990.90 and 137,201.69 is: 189,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,582.67 : 331,990.90 = 137,201.69 : x
  2. Step 2: Convert to fraction form
    240,582.67/331,990.90 = 137,201.69/x
  3. Step 3: Cross multiply
    240,582.67x = 331,990.90 × 137,201.69
  4. Step 4: Simplify right side
    240,582.67x = 45,549,712,869.63
  5. Step 5: Solve for x
    x = 45,549,712,869.63/240,582.67
  6. Step 6: Final answer
    x = 189,330.81

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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.