Home / 171,936.76-257,822.18-72,070.14

Finding the Fourth Proportional to 171,936.76, 257,822.18 and 72,070.14

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Solution

The fourth proportional to 171,936.76, 257,822.18 and 72,070.14 is: 108,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936.76 : 257,822.18 = 72,070.14 : x
  2. Step 2: Convert to fraction form
    171,936.76/257,822.18 = 72,070.14/x
  3. Step 3: Cross multiply
    171,936.76x = 257,822.18 × 72,070.14
  4. Step 4: Simplify right side
    171,936.76x = 18,581,279,845.08
  5. Step 5: Solve for x
    x = 18,581,279,845.08/171,936.76
  6. Step 6: Final answer
    x = 108,070.43

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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.