Home / 272,500.34-408,812.01-82,977.65

Finding the Fourth Proportional to 272,500.34, 408,812.01 and 82,977.65

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Solution

The fourth proportional to 272,500.34, 408,812.01 and 82,977.65 is: 124,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,500.34 : 408,812.01 = 82,977.65 : x
  2. Step 2: Convert to fraction form
    272,500.34/408,812.01 = 82,977.65/x
  3. Step 3: Cross multiply
    272,500.34x = 408,812.01 × 82,977.65
  4. Step 4: Simplify right side
    272,500.34x = 33,922,259,881.58
  5. Step 5: Solve for x
    x = 33,922,259,881.58/272,500.34
  6. Step 6: Final answer
    x = 124,485.20

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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.