Home / 110,866.07-166,499.55-102,423.49

Finding the Fourth Proportional to 110,866.07, 166,499.55 and 102,423.49

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Solution

The fourth proportional to 110,866.07, 166,499.55 and 102,423.49 is: 153,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,866.07 : 166,499.55 = 102,423.49 : x
  2. Step 2: Convert to fraction form
    110,866.07/166,499.55 = 102,423.49/x
  3. Step 3: Cross multiply
    110,866.07x = 166,499.55 × 102,423.49
  4. Step 4: Simplify right side
    110,866.07x = 17,053,464,578.18
  5. Step 5: Solve for x
    x = 17,053,464,578.18/110,866.07
  6. Step 6: Final answer
    x = 153,820.41

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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.