Home / 274,665.14-379,037.84-152,165.48

Finding the Fourth Proportional to 274,665.14, 379,037.84 and 152,165.48

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Solution

The fourth proportional to 274,665.14, 379,037.84 and 152,165.48 is: 209,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,665.14 : 379,037.84 = 152,165.48 : x
  2. Step 2: Convert to fraction form
    274,665.14/379,037.84 = 152,165.48/x
  3. Step 3: Cross multiply
    274,665.14x = 379,037.84 × 152,165.48
  4. Step 4: Simplify right side
    274,665.14x = 57,676,475,193.77
  5. Step 5: Solve for x
    x = 57,676,475,193.77/274,665.14
  6. Step 6: Final answer
    x = 209,988.33

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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.