Home / 128,067.17-192,079.08-46,997.51

Finding the Fourth Proportional to 128,067.17, 192,079.08 and 46,997.51

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Solution

The fourth proportional to 128,067.17, 192,079.08 and 46,997.51 is: 70,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,067.17 : 192,079.08 = 46,997.51 : x
  2. Step 2: Convert to fraction form
    128,067.17/192,079.08 = 46,997.51/x
  3. Step 3: Cross multiply
    128,067.17x = 192,079.08 × 46,997.51
  4. Step 4: Simplify right side
    128,067.17x = 9,027,238,483.09
  5. Step 5: Solve for x
    x = 9,027,238,483.09/128,067.17
  6. Step 6: Final answer
    x = 70,488.31

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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.