Home / 120,752.48-166,658.28-70,451.36

Finding the Fourth Proportional to 120,752.48, 166,658.28 and 70,451.36

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Solution

The fourth proportional to 120,752.48, 166,658.28 and 70,451.36 is: 97,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,752.48 : 166,658.28 = 70,451.36 : x
  2. Step 2: Convert to fraction form
    120,752.48/166,658.28 = 70,451.36/x
  3. Step 3: Cross multiply
    120,752.48x = 166,658.28 × 70,451.36
  4. Step 4: Simplify right side
    120,752.48x = 11,741,302,481.26
  5. Step 5: Solve for x
    x = 11,741,302,481.26/120,752.48
  6. Step 6: Final answer
    x = 97,234.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.