Home / 353,185.11-529,777.65-103,867.11

Finding the Fourth Proportional to 353,185.11, 529,777.65 and 103,867.11

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Solution

The fourth proportional to 353,185.11, 529,777.65 and 103,867.11 is: 155,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,185.11 : 529,777.65 = 103,867.11 : x
  2. Step 2: Convert to fraction form
    353,185.11/529,777.65 = 103,867.11/x
  3. Step 3: Cross multiply
    353,185.11x = 529,777.65 × 103,867.11
  4. Step 4: Simplify right side
    353,185.11x = 55,026,473,837.59
  5. Step 5: Solve for x
    x = 55,026,473,837.59/353,185.11
  6. Step 6: Final answer
    x = 155,800.66

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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.