Home / 170,212.05-255,348.54-57,886.43

Finding the Fourth Proportional to 170,212.05, 255,348.54 and 57,886.43

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Solution

The fourth proportional to 170,212.05, 255,348.54 and 57,886.43 is: 86,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,212.05 : 255,348.54 = 57,886.43 : x
  2. Step 2: Convert to fraction form
    170,212.05/255,348.54 = 57,886.43/x
  3. Step 3: Cross multiply
    170,212.05x = 255,348.54 × 57,886.43
  4. Step 4: Simplify right side
    170,212.05x = 14,781,214,109.57
  5. Step 5: Solve for x
    x = 14,781,214,109.57/170,212.05
  6. Step 6: Final answer
    x = 86,840.00

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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.