Home / 208,724.61-313,080.73-180,561.51

Finding the Fourth Proportional to 208,724.61, 313,080.73 and 180,561.51

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Solution

The fourth proportional to 208,724.61, 313,080.73 and 180,561.51 is: 270,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,724.61 : 313,080.73 = 180,561.51 : x
  2. Step 2: Convert to fraction form
    208,724.61/313,080.73 = 180,561.51/x
  3. Step 3: Cross multiply
    208,724.61x = 313,080.73 × 180,561.51
  4. Step 4: Simplify right side
    208,724.61x = 56,530,329,360.70
  5. Step 5: Solve for x
    x = 56,530,329,360.70/208,724.61
  6. Step 6: Final answer
    x = 270,836.91

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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.