Home / 238,582.08-329,247.36-131,156.64

Finding the Fourth Proportional to 238,582.08, 329,247.36 and 131,156.64

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Solution

The fourth proportional to 238,582.08, 329,247.36 and 131,156.64 is: 180,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,582.08 : 329,247.36 = 131,156.64 : x
  2. Step 2: Convert to fraction form
    238,582.08/329,247.36 = 131,156.64/x
  3. Step 3: Cross multiply
    238,582.08x = 329,247.36 × 131,156.64
  4. Step 4: Simplify right side
    238,582.08x = 43,182,977,466.47
  5. Step 5: Solve for x
    x = 43,182,977,466.47/238,582.08
  6. Step 6: Final answer
    x = 180,998.41

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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.