Home / 319,810.68-441,356.04-176,570.28

Finding the Fourth Proportional to 319,810.68, 441,356.04 and 176,570.28

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Solution

The fourth proportional to 319,810.68, 441,356.04 and 176,570.28 is: 243,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,810.68 : 441,356.04 = 176,570.28 : x
  2. Step 2: Convert to fraction form
    319,810.68/441,356.04 = 176,570.28/x
  3. Step 3: Cross multiply
    319,810.68x = 441,356.04 × 176,570.28
  4. Step 4: Simplify right side
    319,810.68x = 77,930,359,562.49
  5. Step 5: Solve for x
    x = 77,930,359,562.49/319,810.68
  6. Step 6: Final answer
    x = 243,676.54

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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.