Home / 353,613.52-487,979.76-192,472.12

Finding the Fourth Proportional to 353,613.52, 487,979.76 and 192,472.12

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Solution

The fourth proportional to 353,613.52, 487,979.76 and 192,472.12 is: 265,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,613.52 : 487,979.76 = 192,472.12 : x
  2. Step 2: Convert to fraction form
    353,613.52/487,979.76 = 192,472.12/x
  3. Step 3: Cross multiply
    353,613.52x = 487,979.76 × 192,472.12
  4. Step 4: Simplify right side
    353,613.52x = 93,922,498,924.29
  5. Step 5: Solve for x
    x = 93,922,498,924.29/353,613.52
  6. Step 6: Final answer
    x = 265,607.77

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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.