Home / 351,818.43-527,727.80-85,577.31

Finding the Fourth Proportional to 351,818.43, 527,727.80 and 85,577.31

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Solution

The fourth proportional to 351,818.43, 527,727.80 and 85,577.31 is: 128,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,818.43 : 527,727.80 = 85,577.31 : x
  2. Step 2: Convert to fraction form
    351,818.43/527,727.80 = 85,577.31/x
  3. Step 3: Cross multiply
    351,818.43x = 527,727.80 × 85,577.31
  4. Step 4: Simplify right side
    351,818.43x = 45,161,525,108.33
  5. Step 5: Solve for x
    x = 45,161,525,108.33/351,818.43
  6. Step 6: Final answer
    x = 128,366.00

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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.