Home / 210,532.17-315,799.62-84,183.03

Finding the Fourth Proportional to 210,532.17, 315,799.62 and 84,183.03

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Solution

The fourth proportional to 210,532.17, 315,799.62 and 84,183.03 is: 126,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,532.17 : 315,799.62 = 84,183.03 : x
  2. Step 2: Convert to fraction form
    210,532.17/315,799.62 = 84,183.03/x
  3. Step 3: Cross multiply
    210,532.17x = 315,799.62 × 84,183.03
  4. Step 4: Simplify right side
    210,532.17x = 26,584,966,884.54
  5. Step 5: Solve for x
    x = 26,584,966,884.54/210,532.17
  6. Step 6: Final answer
    x = 126,275.08

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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.