Home / 205,716.51-283,257.61-180,079.40

Finding the Fourth Proportional to 205,716.51, 283,257.61 and 180,079.40

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Solution

The fourth proportional to 205,716.51, 283,257.61 and 180,079.40 is: 247,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,716.51 : 283,257.61 = 180,079.40 : x
  2. Step 2: Convert to fraction form
    205,716.51/283,257.61 = 180,079.40/x
  3. Step 3: Cross multiply
    205,716.51x = 283,257.61 × 180,079.40
  4. Step 4: Simplify right side
    205,716.51x = 51,008,860,712.18
  5. Step 5: Solve for x
    x = 51,008,860,712.18/205,716.51
  6. Step 6: Final answer
    x = 247,957.06

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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.