Home / 205,333.20-307,999.80-116,859.60

Finding the Fourth Proportional to 205,333.20, 307,999.80 and 116,859.60

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Solution

The fourth proportional to 205,333.20, 307,999.80 and 116,859.60 is: 175,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,333.20 : 307,999.80 = 116,859.60 : x
  2. Step 2: Convert to fraction form
    205,333.20/307,999.80 = 116,859.60/x
  3. Step 3: Cross multiply
    205,333.20x = 307,999.80 × 116,859.60
  4. Step 4: Simplify right side
    205,333.20x = 35,992,733,428.08
  5. Step 5: Solve for x
    x = 35,992,733,428.08/205,333.20
  6. Step 6: Final answer
    x = 175,289.40

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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.