Home / 353,890.50-488,359.05-192,742.02

Finding the Fourth Proportional to 353,890.50, 488,359.05 and 192,742.02

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Solution

The fourth proportional to 353,890.50, 488,359.05 and 192,742.02 is: 265,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,890.50 : 488,359.05 = 192,742.02 : x
  2. Step 2: Convert to fraction form
    353,890.50/488,359.05 = 192,742.02/x
  3. Step 3: Cross multiply
    353,890.50x = 488,359.05 × 192,742.02
  4. Step 4: Simplify right side
    353,890.50x = 94,127,309,782.28
  5. Step 5: Solve for x
    x = 94,127,309,782.28/353,890.50
  6. Step 6: Final answer
    x = 265,978.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.