Home / 170,309.07-255,458.73-51,963.21

Finding the Fourth Proportional to 170,309.07, 255,458.73 and 51,963.21

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Solution

The fourth proportional to 170,309.07, 255,458.73 and 51,963.21 is: 77,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,309.07 : 255,458.73 = 51,963.21 : x
  2. Step 2: Convert to fraction form
    170,309.07/255,458.73 = 51,963.21/x
  3. Step 3: Cross multiply
    170,309.07x = 255,458.73 × 51,963.21
  4. Step 4: Simplify right side
    170,309.07x = 13,274,455,633.32
  5. Step 5: Solve for x
    x = 13,274,455,633.32/170,309.07
  6. Step 6: Final answer
    x = 77,943.33

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1.5x scale

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.