Home / 209,766.12-314,923.59-124,532.58

Finding the Fourth Proportional to 209,766.12, 314,923.59 and 124,532.58

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Solution

The fourth proportional to 209,766.12, 314,923.59 and 124,532.58 is: 186,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,766.12 : 314,923.59 = 124,532.58 : x
  2. Step 2: Convert to fraction form
    209,766.12/314,923.59 = 124,532.58/x
  3. Step 3: Cross multiply
    209,766.12x = 314,923.59 × 124,532.58
  4. Step 4: Simplify right side
    209,766.12x = 39,218,247,165.56
  5. Step 5: Solve for x
    x = 39,218,247,165.56/209,766.12
  6. Step 6: Final answer
    x = 186,961.78

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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.