Home / 118,530.01-177,579.69-68,504.43

Finding the Fourth Proportional to 118,530.01, 177,579.69 and 68,504.43

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Solution

The fourth proportional to 118,530.01, 177,579.69 and 68,504.43 is: 102,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,530.01 : 177,579.69 = 68,504.43 : x
  2. Step 2: Convert to fraction form
    118,530.01/177,579.69 = 68,504.43/x
  3. Step 3: Cross multiply
    118,530.01x = 177,579.69 × 68,504.43
  4. Step 4: Simplify right side
    118,530.01x = 12,164,996,237.40
  5. Step 5: Solve for x
    x = 12,164,996,237.40/118,530.01
  6. Step 6: Final answer
    x = 102,632.21

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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.