Home / 367,974.80-551,962.20-115,276.40

Finding the Fourth Proportional to 367,974.80, 551,962.20 and 115,276.40

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Solution

The fourth proportional to 367,974.80, 551,962.20 and 115,276.40 is: 172,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,974.80 : 551,962.20 = 115,276.40 : x
  2. Step 2: Convert to fraction form
    367,974.80/551,962.20 = 115,276.40/x
  3. Step 3: Cross multiply
    367,974.80x = 551,962.20 × 115,276.40
  4. Step 4: Simplify right side
    367,974.80x = 63,628,215,352.08
  5. Step 5: Solve for x
    x = 63,628,215,352.08/367,974.80
  6. Step 6: Final answer
    x = 172,914.60

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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.