Home / 111,034.18-166,663.86-98,464.60

Finding the Fourth Proportional to 111,034.18, 166,663.86 and 98,464.60

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Solution

The fourth proportional to 111,034.18, 166,663.86 and 98,464.60 is: 147,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,034.18 : 166,663.86 = 98,464.60 : x
  2. Step 2: Convert to fraction form
    111,034.18/166,663.86 = 98,464.60/x
  3. Step 3: Cross multiply
    111,034.18x = 166,663.86 × 98,464.60
  4. Step 4: Simplify right side
    111,034.18x = 16,410,490,309.36
  5. Step 5: Solve for x
    x = 16,410,490,309.36/111,034.18
  6. Step 6: Final answer
    x = 147,796.74

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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.