Home / 178,131.51-267,214.83-51,772.86

Finding the Fourth Proportional to 178,131.51, 267,214.83 and 51,772.86

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Solution

The fourth proportional to 178,131.51, 267,214.83 and 51,772.86 is: 77,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,131.51 : 267,214.83 = 51,772.86 : x
  2. Step 2: Convert to fraction form
    178,131.51/267,214.83 = 51,772.86/x
  3. Step 3: Cross multiply
    178,131.51x = 267,214.83 × 51,772.86
  4. Step 4: Simplify right side
    178,131.51x = 13,834,475,983.51
  5. Step 5: Solve for x
    x = 13,834,475,983.51/178,131.51
  6. Step 6: Final answer
    x = 77,664.40

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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.