Home / 319,938.40-441,512.40-176,708.26

Finding the Fourth Proportional to 319,938.40, 441,512.40 and 176,708.26

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Solution

The fourth proportional to 319,938.40, 441,512.40 and 176,708.26 is: 243,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,938.40 : 441,512.40 = 176,708.26 : x
  2. Step 2: Convert to fraction form
    319,938.40/441,512.40 = 176,708.26/x
  3. Step 3: Cross multiply
    319,938.40x = 441,512.40 × 176,708.26
  4. Step 4: Simplify right side
    319,938.40x = 78,018,887,972.42
  5. Step 5: Solve for x
    x = 78,018,887,972.42/319,938.40
  6. Step 6: Final answer
    x = 243,855.97

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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.