Home / 353,386.20-529,912.98-104,018.52

Finding the Fourth Proportional to 353,386.20, 529,912.98 and 104,018.52

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Solution

The fourth proportional to 353,386.20, 529,912.98 and 104,018.52 is: 155,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,386.20 : 529,912.98 = 104,018.52 : x
  2. Step 2: Convert to fraction form
    353,386.20/529,912.98 = 104,018.52/x
  3. Step 3: Cross multiply
    353,386.20x = 529,912.98 × 104,018.52
  4. Step 4: Simplify right side
    353,386.20x = 55,120,763,908.39
  5. Step 5: Solve for x
    x = 55,120,763,908.39/353,386.20
  6. Step 6: Final answer
    x = 155,978.82

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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.