Home / 174,490.34-261,865.77-129,615.30

Finding the Fourth Proportional to 174,490.34, 261,865.77 and 129,615.30

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Solution

The fourth proportional to 174,490.34, 261,865.77 and 129,615.30 is: 194,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,490.34 : 261,865.77 = 129,615.30 : x
  2. Step 2: Convert to fraction form
    174,490.34/261,865.77 = 129,615.30/x
  3. Step 3: Cross multiply
    174,490.34x = 261,865.77 × 129,615.30
  4. Step 4: Simplify right side
    174,490.34x = 33,941,810,338.28
  5. Step 5: Solve for x
    x = 33,941,810,338.28/174,490.34
  6. Step 6: Final answer
    x = 194,519.71

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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.