Home / 166,198.16-229,237.08-112,459.52

Finding the Fourth Proportional to 166,198.16, 229,237.08 and 112,459.52

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Solution

The fourth proportional to 166,198.16, 229,237.08 and 112,459.52 is: 155,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,198.16 : 229,237.08 = 112,459.52 : x
  2. Step 2: Convert to fraction form
    166,198.16/229,237.08 = 112,459.52/x
  3. Step 3: Cross multiply
    166,198.16x = 229,237.08 × 112,459.52
  4. Step 4: Simplify right side
    166,198.16x = 25,779,891,983.00
  5. Step 5: Solve for x
    x = 25,779,891,983.00/166,198.16
  6. Step 6: Final answer
    x = 155,115.39

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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.