Home / 171,761.24-257,641.86-53,440.04

Finding the Fourth Proportional to 171,761.24, 257,641.86 and 53,440.04

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Solution

The fourth proportional to 171,761.24, 257,641.86 and 53,440.04 is: 80,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,761.24 : 257,641.86 = 53,440.04 : x
  2. Step 2: Convert to fraction form
    171,761.24/257,641.86 = 53,440.04/x
  3. Step 3: Cross multiply
    171,761.24x = 257,641.86 × 53,440.04
  4. Step 4: Simplify right side
    171,761.24x = 13,768,391,304.07
  5. Step 5: Solve for x
    x = 13,768,391,304.07/171,761.24
  6. Step 6: Final answer
    x = 80,160.06

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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.