Home / 367,615.76-551,421.61-143,132.36

Finding the Fourth Proportional to 367,615.76, 551,421.61 and 143,132.36

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Solution

The fourth proportional to 367,615.76, 551,421.61 and 143,132.36 is: 214,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,615.76 : 551,421.61 = 143,132.36 : x
  2. Step 2: Convert to fraction form
    367,615.76/551,421.61 = 143,132.36/x
  3. Step 3: Cross multiply
    367,615.76x = 551,421.61 × 143,132.36
  4. Step 4: Simplify right side
    367,615.76x = 78,926,273,279.36
  5. Step 5: Solve for x
    x = 78,926,273,279.36/367,615.76
  6. Step 6: Final answer
    x = 214,697.74

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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.