Home / 205,525.76-308,078.51-116,591.40

Finding the Fourth Proportional to 205,525.76, 308,078.51 and 116,591.40

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Solution

The fourth proportional to 205,525.76, 308,078.51 and 116,591.40 is: 174,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,525.76 : 308,078.51 = 116,591.40 : x
  2. Step 2: Convert to fraction form
    205,525.76/308,078.51 = 116,591.40/x
  3. Step 3: Cross multiply
    205,525.76x = 308,078.51 × 116,591.40
  4. Step 4: Simplify right side
    205,525.76x = 35,919,304,207.86
  5. Step 5: Solve for x
    x = 35,919,304,207.86/205,525.76
  6. Step 6: Final answer
    x = 174,767.90

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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.