Home / 165,087.08-247,483.72-71,541.80

Finding the Fourth Proportional to 165,087.08, 247,483.72 and 71,541.80

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Solution

The fourth proportional to 165,087.08, 247,483.72 and 71,541.80 is: 107,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.08 : 247,483.72 = 71,541.80 : x
  2. Step 2: Convert to fraction form
    165,087.08/247,483.72 = 71,541.80/x
  3. Step 3: Cross multiply
    165,087.08x = 247,483.72 × 71,541.80
  4. Step 4: Simplify right side
    165,087.08x = 17,705,430,799.50
  5. Step 5: Solve for x
    x = 17,705,430,799.50/165,087.08
  6. Step 6: Final answer
    x = 107,249.04

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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.