Home / 171,390.06-257,024.88-51,411.24

Finding the Fourth Proportional to 171,390.06, 257,024.88 and 51,411.24

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Solution

The fourth proportional to 171,390.06, 257,024.88 and 51,411.24 is: 77,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,390.06 : 257,024.88 = 51,411.24 : x
  2. Step 2: Convert to fraction form
    171,390.06/257,024.88 = 51,411.24/x
  3. Step 3: Cross multiply
    171,390.06x = 257,024.88 × 51,411.24
  4. Step 4: Simplify right side
    171,390.06x = 13,213,967,791.65
  5. Step 5: Solve for x
    x = 13,213,967,791.65/171,390.06
  6. Step 6: Final answer
    x = 77,098.80

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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.