Home / 171,821.36-257,670.26-59,471.12

Finding the Fourth Proportional to 171,821.36, 257,670.26 and 59,471.12

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Solution

The fourth proportional to 171,821.36, 257,670.26 and 59,471.12 is: 89,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821.36 : 257,670.26 = 59,471.12 : x
  2. Step 2: Convert to fraction form
    171,821.36/257,670.26 = 59,471.12/x
  3. Step 3: Cross multiply
    171,821.36x = 257,670.26 × 59,471.12
  4. Step 4: Simplify right side
    171,821.36x = 15,323,937,367.18
  5. Step 5: Solve for x
    x = 15,323,937,367.18/171,821.36
  6. Step 6: Final answer
    x = 89,185.29

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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.