Home / 319,932.13-441,497.89-176,689.10

Finding the Fourth Proportional to 319,932.13, 441,497.89 and 176,689.10

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Solution

The fourth proportional to 319,932.13, 441,497.89 and 176,689.10 is: 243,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,932.13 : 441,497.89 = 176,689.10 : x
  2. Step 2: Convert to fraction form
    319,932.13/441,497.89 = 176,689.10/x
  3. Step 3: Cross multiply
    319,932.13x = 441,497.89 × 176,689.10
  4. Step 4: Simplify right side
    319,932.13x = 78,007,863,677.18
  5. Step 5: Solve for x
    x = 78,007,863,677.18/319,932.13
  6. Step 6: Final answer
    x = 243,826.29

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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.