Home / 117,484.14-162,008.88-100,544.58

Finding the Fourth Proportional to 117,484.14, 162,008.88 and 100,544.58

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Solution

The fourth proportional to 117,484.14, 162,008.88 and 100,544.58 is: 138,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484.14 : 162,008.88 = 100,544.58 : x
  2. Step 2: Convert to fraction form
    117,484.14/162,008.88 = 100,544.58/x
  3. Step 3: Cross multiply
    117,484.14x = 162,008.88 × 100,544.58
  4. Step 4: Simplify right side
    117,484.14x = 16,289,114,795.87
  5. Step 5: Solve for x
    x = 16,289,114,795.87/117,484.14
  6. Step 6: Final answer
    x = 138,649.48

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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.