Home / 331,242.16-457,122.40-180,347.44

Finding the Fourth Proportional to 331,242.16, 457,122.40 and 180,347.44

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Solution

The fourth proportional to 331,242.16, 457,122.40 and 180,347.44 is: 248,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,242.16 : 457,122.40 = 180,347.44 : x
  2. Step 2: Convert to fraction form
    331,242.16/457,122.40 = 180,347.44/x
  3. Step 3: Cross multiply
    331,242.16x = 457,122.40 × 180,347.44
  4. Step 4: Simplify right side
    331,242.16x = 82,440,854,606.66
  5. Step 5: Solve for x
    x = 82,440,854,606.66/331,242.16
  6. Step 6: Final answer
    x = 248,883.94

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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.