Home / 231,498.36-319,483.58-129,533.49

Finding the Fourth Proportional to 231,498.36, 319,483.58 and 129,533.49

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Solution

The fourth proportional to 231,498.36, 319,483.58 and 129,533.49 is: 178,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,498.36 : 319,483.58 = 129,533.49 : x
  2. Step 2: Convert to fraction form
    231,498.36/319,483.58 = 129,533.49/x
  3. Step 3: Cross multiply
    231,498.36x = 319,483.58 × 129,533.49
  4. Step 4: Simplify right side
    231,498.36x = 41,383,822,467.43
  5. Step 5: Solve for x
    x = 41,383,822,467.43/231,498.36
  6. Step 6: Final answer
    x = 178,765.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.