Home / 169,445.76-253,991.30-57,087.15

Finding the Fourth Proportional to 169,445.76, 253,991.30 and 57,087.15

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Solution

The fourth proportional to 169,445.76, 253,991.30 and 57,087.15 is: 85,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,445.76 : 253,991.30 = 57,087.15 : x
  2. Step 2: Convert to fraction form
    169,445.76/253,991.30 = 57,087.15/x
  3. Step 3: Cross multiply
    169,445.76x = 253,991.30 × 57,087.15
  4. Step 4: Simplify right side
    169,445.76x = 14,499,639,441.80
  5. Step 5: Solve for x
    x = 14,499,639,441.80/169,445.76
  6. Step 6: Final answer
    x = 85,570.98

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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.