Home / 353,276.22-487,516.47-192,127.80

Finding the Fourth Proportional to 353,276.22, 487,516.47 and 192,127.80

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Solution

The fourth proportional to 353,276.22, 487,516.47 and 192,127.80 is: 265,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,276.22 : 487,516.47 = 192,127.80 : x
  2. Step 2: Convert to fraction form
    353,276.22/487,516.47 = 192,127.80/x
  3. Step 3: Cross multiply
    353,276.22x = 487,516.47 × 192,127.80
  4. Step 4: Simplify right side
    353,276.22x = 93,665,466,844.87
  5. Step 5: Solve for x
    x = 93,665,466,844.87/353,276.22
  6. Step 6: Final answer
    x = 265,133.80

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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.