Home / 319,938.42-441,512.31-176,695.38

Finding the Fourth Proportional to 319,938.42, 441,512.31 and 176,695.38

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Solution

The fourth proportional to 319,938.42, 441,512.31 and 176,695.38 is: 243,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,938.42 : 441,512.31 = 176,695.38 : x
  2. Step 2: Convert to fraction form
    319,938.42/441,512.31 = 176,695.38/x
  3. Step 3: Cross multiply
    319,938.42x = 441,512.31 × 176,695.38
  4. Step 4: Simplify right side
    319,938.42x = 78,013,186,052.10
  5. Step 5: Solve for x
    x = 78,013,186,052.10/319,938.42
  6. Step 6: Final answer
    x = 243,838.13

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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.