Home / 353,276.47-487,516.82-192,128.05

Finding the Fourth Proportional to 353,276.47, 487,516.82 and 192,128.05

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Solution

The fourth proportional to 353,276.47, 487,516.82 and 192,128.05 is: 265,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,276.47 : 487,516.82 = 192,128.05 : x
  2. Step 2: Convert to fraction form
    353,276.47/487,516.82 = 192,128.05/x
  3. Step 3: Cross multiply
    353,276.47x = 487,516.82 × 192,128.05
  4. Step 4: Simplify right side
    353,276.47x = 93,665,653,789.37
  5. Step 5: Solve for x
    x = 93,665,653,789.37/353,276.47
  6. Step 6: Final answer
    x = 265,134.14

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1.5x scale

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.