Home / 175,404.12-262,838.48-91,191.64

Finding the Fourth Proportional to 175,404.12, 262,838.48 and 91,191.64

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Solution

The fourth proportional to 175,404.12, 262,838.48 and 91,191.64 is: 136,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,404.12 : 262,838.48 = 91,191.64 : x
  2. Step 2: Convert to fraction form
    175,404.12/262,838.48 = 91,191.64/x
  3. Step 3: Cross multiply
    175,404.12x = 262,838.48 × 91,191.64
  4. Step 4: Simplify right side
    175,404.12x = 23,968,672,046.31
  5. Step 5: Solve for x
    x = 23,968,672,046.31/175,404.12
  6. Step 6: Final answer
    x = 136,648.28

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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.