Home / 102,217.43-153,345.63-35,676.56

Finding the Fourth Proportional to 102,217.43, 153,345.63 and 35,676.56

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Solution

The fourth proportional to 102,217.43, 153,345.63 and 35,676.56 is: 53,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,217.43 : 153,345.63 = 35,676.56 : x
  2. Step 2: Convert to fraction form
    102,217.43/153,345.63 = 35,676.56/x
  3. Step 3: Cross multiply
    102,217.43x = 153,345.63 × 35,676.56
  4. Step 4: Simplify right side
    102,217.43x = 5,470,844,569.43
  5. Step 5: Solve for x
    x = 5,470,844,569.43/102,217.43
  6. Step 6: Final answer
    x = 53,521.64

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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.