Home / 109,911.06-164,597.76-99,261.54

Finding the Fourth Proportional to 109,911.06, 164,597.76 and 99,261.54

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Solution

The fourth proportional to 109,911.06, 164,597.76 and 99,261.54 is: 148,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,911.06 : 164,597.76 = 99,261.54 : x
  2. Step 2: Convert to fraction form
    109,911.06/164,597.76 = 99,261.54/x
  3. Step 3: Cross multiply
    109,911.06x = 164,597.76 × 99,261.54
  4. Step 4: Simplify right side
    109,911.06x = 16,338,227,138.15
  5. Step 5: Solve for x
    x = 16,338,227,138.15/109,911.06
  6. Step 6: Final answer
    x = 148,649.53

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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.