Home / 171,373.13-257,112.24-76,683.03

Finding the Fourth Proportional to 171,373.13, 257,112.24 and 76,683.03

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Solution

The fourth proportional to 171,373.13, 257,112.24 and 76,683.03 is: 115,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,373.13 : 257,112.24 = 76,683.03 : x
  2. Step 2: Convert to fraction form
    171,373.13/257,112.24 = 76,683.03/x
  3. Step 3: Cross multiply
    171,373.13x = 257,112.24 × 76,683.03
  4. Step 4: Simplify right side
    171,373.13x = 19,716,144,327.73
  5. Step 5: Solve for x
    x = 19,716,144,327.73/171,373.13
  6. Step 6: Final answer
    x = 115,048.05

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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.