Home / 102,455.14-153,682.74-27,575.47

Finding the Fourth Proportional to 102,455.14, 153,682.74 and 27,575.47

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Solution

The fourth proportional to 102,455.14, 153,682.74 and 27,575.47 is: 41,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455.14 : 153,682.74 = 27,575.47 : x
  2. Step 2: Convert to fraction form
    102,455.14/153,682.74 = 27,575.47/x
  3. Step 3: Cross multiply
    102,455.14x = 153,682.74 × 27,575.47
  4. Step 4: Simplify right side
    102,455.14x = 4,237,873,786.39
  5. Step 5: Solve for x
    x = 4,237,873,786.39/102,455.14
  6. Step 6: Final answer
    x = 41,363.21

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1.5x scale

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.