Home / 353,231.28-487,462.59-192,089.81

Finding the Fourth Proportional to 353,231.28, 487,462.59 and 192,089.81

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Solution

The fourth proportional to 353,231.28, 487,462.59 and 192,089.81 is: 265,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,231.28 : 487,462.59 = 192,089.81 : x
  2. Step 2: Convert to fraction form
    353,231.28/487,462.59 = 192,089.81/x
  3. Step 3: Cross multiply
    353,231.28x = 487,462.59 × 192,089.81
  4. Step 4: Simplify right side
    353,231.28x = 93,636,597,513.86
  5. Step 5: Solve for x
    x = 93,636,597,513.86/353,231.28
  6. Step 6: Final answer
    x = 265,085.80

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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.