Home / 351,818.18-527,727.42-85,577.06

Finding the Fourth Proportional to 351,818.18, 527,727.42 and 85,577.06

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Solution

The fourth proportional to 351,818.18, 527,727.42 and 85,577.06 is: 128,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,818.18 : 527,727.42 = 85,577.06 : x
  2. Step 2: Convert to fraction form
    351,818.18/527,727.42 = 85,577.06/x
  3. Step 3: Cross multiply
    351,818.18x = 527,727.42 × 85,577.06
  4. Step 4: Simplify right side
    351,818.18x = 45,161,361,084.99
  5. Step 5: Solve for x
    x = 45,161,361,084.99/351,818.18
  6. Step 6: Final answer
    x = 128,365.63

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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.