Home / 205,316.16-308,050.56-125,517.84

Finding the Fourth Proportional to 205,316.16, 308,050.56 and 125,517.84

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Solution

The fourth proportional to 205,316.16, 308,050.56 and 125,517.84 is: 188,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,316.16 : 308,050.56 = 125,517.84 : x
  2. Step 2: Convert to fraction form
    205,316.16/308,050.56 = 125,517.84/x
  3. Step 3: Cross multiply
    205,316.16x = 308,050.56 × 125,517.84
  4. Step 4: Simplify right side
    205,316.16x = 38,665,840,901.99
  5. Step 5: Solve for x
    x = 38,665,840,901.99/205,316.16
  6. Step 6: Final answer
    x = 188,323.42

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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.