Home / 171,395.19-257,189.99-92,507.67

Finding the Fourth Proportional to 171,395.19, 257,189.99 and 92,507.67

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Solution

The fourth proportional to 171,395.19, 257,189.99 and 92,507.67 is: 138,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,395.19 : 257,189.99 = 92,507.67 : x
  2. Step 2: Convert to fraction form
    171,395.19/257,189.99 = 92,507.67/x
  3. Step 3: Cross multiply
    171,395.19x = 257,189.99 × 92,507.67
  4. Step 4: Simplify right side
    171,395.19x = 23,792,046,259.68
  5. Step 5: Solve for x
    x = 23,792,046,259.68/171,395.19
  6. Step 6: Final answer
    x = 138,813.97

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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.