Home / 170,112.36-255,205.44-51,780.62

Finding the Fourth Proportional to 170,112.36, 255,205.44 and 51,780.62

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Solution

The fourth proportional to 170,112.36, 255,205.44 and 51,780.62 is: 77,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112.36 : 255,205.44 = 51,780.62 : x
  2. Step 2: Convert to fraction form
    170,112.36/255,205.44 = 51,780.62/x
  3. Step 3: Cross multiply
    170,112.36x = 255,205.44 × 51,780.62
  4. Step 4: Simplify right side
    170,112.36x = 13,214,696,548.59
  5. Step 5: Solve for x
    x = 13,214,696,548.59/170,112.36
  6. Step 6: Final answer
    x = 77,682.16

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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.