Home / 209,937.52-314,873.82-76,786.64

Finding the Fourth Proportional to 209,937.52, 314,873.82 and 76,786.64

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Solution

The fourth proportional to 209,937.52, 314,873.82 and 76,786.64 is: 115,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,937.52 : 314,873.82 = 76,786.64 : x
  2. Step 2: Convert to fraction form
    209,937.52/314,873.82 = 76,786.64/x
  3. Step 3: Cross multiply
    209,937.52x = 314,873.82 × 76,786.64
  4. Step 4: Simplify right side
    209,937.52x = 24,178,102,661.76
  5. Step 5: Solve for x
    x = 24,178,102,661.76/209,937.52
  6. Step 6: Final answer
    x = 115,168.09

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1.5x scale

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.