Home / 371,694.12-557,562.36-105,433.80

Finding the Fourth Proportional to 371,694.12, 557,562.36 and 105,433.80

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Solution

The fourth proportional to 371,694.12, 557,562.36 and 105,433.80 is: 158,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,694.12 : 557,562.36 = 105,433.80 : x
  2. Step 2: Convert to fraction form
    371,694.12/557,562.36 = 105,433.80/x
  3. Step 3: Cross multiply
    371,694.12x = 557,562.36 × 105,433.80
  4. Step 4: Simplify right side
    371,694.12x = 58,785,918,351.77
  5. Step 5: Solve for x
    x = 58,785,918,351.77/371,694.12
  6. Step 6: Final answer
    x = 158,156.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.