Home / 353,035.28-529,786.20-166,061.36

Finding the Fourth Proportional to 353,035.28, 529,786.20 and 166,061.36

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Solution

The fourth proportional to 353,035.28, 529,786.20 and 166,061.36 is: 249,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,035.28 : 529,786.20 = 166,061.36 : x
  2. Step 2: Convert to fraction form
    353,035.28/529,786.20 = 166,061.36/x
  3. Step 3: Cross multiply
    353,035.28x = 529,786.20 × 166,061.36
  4. Step 4: Simplify right side
    353,035.28x = 87,977,016,881.23
  5. Step 5: Solve for x
    x = 87,977,016,881.23/353,035.28
  6. Step 6: Final answer
    x = 249,201.77

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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.