Home / 153,281.33-211,546.64-92,850.20

Finding the Fourth Proportional to 153,281.33, 211,546.64 and 92,850.20

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Solution

The fourth proportional to 153,281.33, 211,546.64 and 92,850.20 is: 128,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281.33 : 211,546.64 = 92,850.20 : x
  2. Step 2: Convert to fraction form
    153,281.33/211,546.64 = 92,850.20/x
  3. Step 3: Cross multiply
    153,281.33x = 211,546.64 × 92,850.20
  4. Step 4: Simplify right side
    153,281.33x = 19,642,147,007.72
  5. Step 5: Solve for x
    x = 19,642,147,007.72/153,281.33
  6. Step 6: Final answer
    x = 128,144.42

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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.