Home / 353,385.20-529,911.48-104,017.52

Finding the Fourth Proportional to 353,385.20, 529,911.48 and 104,017.52

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Solution

The fourth proportional to 353,385.20, 529,911.48 and 104,017.52 is: 155,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,385.20 : 529,911.48 = 104,017.52 : x
  2. Step 2: Convert to fraction form
    353,385.20/529,911.48 = 104,017.52/x
  3. Step 3: Cross multiply
    353,385.20x = 529,911.48 × 104,017.52
  4. Step 4: Simplify right side
    353,385.20x = 55,120,077,969.13
  5. Step 5: Solve for x
    x = 55,120,077,969.13/353,385.20
  6. Step 6: Final answer
    x = 155,977.32

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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.