Home / 205,055.20-307,582.80-134,197.60

Finding the Fourth Proportional to 205,055.20, 307,582.80 and 134,197.60

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Solution

The fourth proportional to 205,055.20, 307,582.80 and 134,197.60 is: 201,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,055.20 : 307,582.80 = 134,197.60 : x
  2. Step 2: Convert to fraction form
    205,055.20/307,582.80 = 134,197.60/x
  3. Step 3: Cross multiply
    205,055.20x = 307,582.80 × 134,197.60
  4. Step 4: Simplify right side
    205,055.20x = 41,276,873,561.28
  5. Step 5: Solve for x
    x = 41,276,873,561.28/205,055.20
  6. Step 6: Final answer
    x = 201,296.40

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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.