Home / 187,859.15-259,284.75-172,727.84

Finding the Fourth Proportional to 187,859.15, 259,284.75 and 172,727.84

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Solution

The fourth proportional to 187,859.15, 259,284.75 and 172,727.84 is: 238,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,859.15 : 259,284.75 = 172,727.84 : x
  2. Step 2: Convert to fraction form
    187,859.15/259,284.75 = 172,727.84/x
  3. Step 3: Cross multiply
    187,859.15x = 259,284.75 × 172,727.84
  4. Step 4: Simplify right side
    187,859.15x = 44,785,694,812.92
  5. Step 5: Solve for x
    x = 44,785,694,812.92/187,859.15
  6. Step 6: Final answer
    x = 238,400.39

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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.