Home / 225,827.12-338,784.60-68,047.76

Finding the Fourth Proportional to 225,827.12, 338,784.60 and 68,047.76

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Solution

The fourth proportional to 225,827.12, 338,784.60 and 68,047.76 is: 102,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,827.12 : 338,784.60 = 68,047.76 : x
  2. Step 2: Convert to fraction form
    225,827.12/338,784.60 = 68,047.76/x
  3. Step 3: Cross multiply
    225,827.12x = 338,784.60 × 68,047.76
  4. Step 4: Simplify right side
    225,827.12x = 23,053,533,152.50
  5. Step 5: Solve for x
    x = 23,053,533,152.50/225,827.12
  6. Step 6: Final answer
    x = 102,084.87

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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.