Home / 351,410.77-527,116.14-85,171.29

Finding the Fourth Proportional to 351,410.77, 527,116.14 and 85,171.29

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Solution

The fourth proportional to 351,410.77, 527,116.14 and 85,171.29 is: 127,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,410.77 : 527,116.14 = 85,171.29 : x
  2. Step 2: Convert to fraction form
    351,410.77/527,116.14 = 85,171.29/x
  3. Step 3: Cross multiply
    351,410.77x = 527,116.14 × 85,171.29
  4. Step 4: Simplify right side
    351,410.77x = 44,895,161,623.62
  5. Step 5: Solve for x
    x = 44,895,161,623.62/351,410.77
  6. Step 6: Final answer
    x = 127,756.93

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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.