Home / 171,841.18-257,679.96-70,623.41

Finding the Fourth Proportional to 171,841.18, 257,679.96 and 70,623.41

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Solution

The fourth proportional to 171,841.18, 257,679.96 and 70,623.41 is: 105,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,841.18 : 257,679.96 = 70,623.41 : x
  2. Step 2: Convert to fraction form
    171,841.18/257,679.96 = 70,623.41/x
  3. Step 3: Cross multiply
    171,841.18x = 257,679.96 × 70,623.41
  4. Step 4: Simplify right side
    171,841.18x = 18,198,236,876.93
  5. Step 5: Solve for x
    x = 18,198,236,876.93/171,841.18
  6. Step 6: Final answer
    x = 105,901.49

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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.