Home / 353,119.11-529,598.79-100,393.98

Finding the Fourth Proportional to 353,119.11, 529,598.79 and 100,393.98

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Solution

The fourth proportional to 353,119.11, 529,598.79 and 100,393.98 is: 150,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.11 : 529,598.79 = 100,393.98 : x
  2. Step 2: Convert to fraction form
    353,119.11/529,598.79 = 100,393.98/x
  3. Step 3: Cross multiply
    353,119.11x = 529,598.79 × 100,393.98
  4. Step 4: Simplify right side
    353,119.11x = 53,168,530,331.28
  5. Step 5: Solve for x
    x = 53,168,530,331.28/353,119.11
  6. Step 6: Final answer
    x = 150,568.26

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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.