Home / 187,833.22-259,128.39-124,259.56

Finding the Fourth Proportional to 187,833.22, 259,128.39 and 124,259.56

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Solution

The fourth proportional to 187,833.22, 259,128.39 and 124,259.56 is: 171,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,833.22 : 259,128.39 = 124,259.56 : x
  2. Step 2: Convert to fraction form
    187,833.22/259,128.39 = 124,259.56/x
  3. Step 3: Cross multiply
    187,833.22x = 259,128.39 × 124,259.56
  4. Step 4: Simplify right side
    187,833.22x = 32,199,179,724.91
  5. Step 5: Solve for x
    x = 32,199,179,724.91/187,833.22
  6. Step 6: Final answer
    x = 171,424.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.