Home / 153,099.62-211,282.07-84,185.52

Finding the Fourth Proportional to 153,099.62, 211,282.07 and 84,185.52

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Solution

The fourth proportional to 153,099.62, 211,282.07 and 84,185.52 is: 116,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099.62 : 211,282.07 = 84,185.52 : x
  2. Step 2: Convert to fraction form
    153,099.62/211,282.07 = 84,185.52/x
  3. Step 3: Cross multiply
    153,099.62x = 211,282.07 × 84,185.52
  4. Step 4: Simplify right side
    153,099.62x = 17,786,890,508.70
  5. Step 5: Solve for x
    x = 17,786,890,508.70/153,099.62
  6. Step 6: Final answer
    x = 116,178.54

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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.