Home / 207,732.56-286,664.14-131,292.68

Finding the Fourth Proportional to 207,732.56, 286,664.14 and 131,292.68

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Solution

The fourth proportional to 207,732.56, 286,664.14 and 131,292.68 is: 181,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,732.56 : 286,664.14 = 131,292.68 : x
  2. Step 2: Convert to fraction form
    207,732.56/286,664.14 = 131,292.68/x
  3. Step 3: Cross multiply
    207,732.56x = 286,664.14 × 131,292.68
  4. Step 4: Simplify right side
    207,732.56x = 37,636,903,200.50
  5. Step 5: Solve for x
    x = 37,636,903,200.50/207,732.56
  6. Step 6: Final answer
    x = 181,179.61

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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.