Home / 113,764.01-170,513.12-85,593.54

Finding the Fourth Proportional to 113,764.01, 170,513.12 and 85,593.54

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Solution

The fourth proportional to 113,764.01, 170,513.12 and 85,593.54 is: 128,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.01 : 170,513.12 = 85,593.54 : x
  2. Step 2: Convert to fraction form
    113,764.01/170,513.12 = 85,593.54/x
  3. Step 3: Cross multiply
    113,764.01x = 170,513.12 × 85,593.54
  4. Step 4: Simplify right side
    113,764.01x = 14,594,821,557.24
  5. Step 5: Solve for x
    x = 14,594,821,557.24/113,764.01
  6. Step 6: Final answer
    x = 128,290.32

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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.