Home / 113,919.48-170,782.10-80,534.52

Finding the Fourth Proportional to 113,919.48, 170,782.10 and 80,534.52

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Solution

The fourth proportional to 113,919.48, 170,782.10 and 80,534.52 is: 120,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919.48 : 170,782.10 = 80,534.52 : x
  2. Step 2: Convert to fraction form
    113,919.48/170,782.10 = 80,534.52/x
  3. Step 3: Cross multiply
    113,919.48x = 170,782.10 × 80,534.52
  4. Step 4: Simplify right side
    113,919.48x = 13,753,854,448.09
  5. Step 5: Solve for x
    x = 13,753,854,448.09/113,919.48
  6. Step 6: Final answer
    x = 120,733.12

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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.