Home / 367,983.59-551,975.40-115,266.20

Finding the Fourth Proportional to 367,983.59, 551,975.40 and 115,266.20

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Solution

The fourth proportional to 367,983.59, 551,975.40 and 115,266.20 is: 172,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,983.59 : 551,975.40 = 115,266.20 : x
  2. Step 2: Convert to fraction form
    367,983.59/551,975.40 = 115,266.20/x
  3. Step 3: Cross multiply
    367,983.59x = 551,975.40 × 115,266.20
  4. Step 4: Simplify right side
    367,983.59x = 63,624,104,091.60
  5. Step 5: Solve for x
    x = 63,624,104,091.60/367,983.59
  6. Step 6: Final answer
    x = 172,899.30

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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.