Home / 353,106.52-487,281.18-191,965.56

Finding the Fourth Proportional to 353,106.52, 487,281.18 and 191,965.56

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Solution

The fourth proportional to 353,106.52, 487,281.18 and 191,965.56 is: 264,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,106.52 : 487,281.18 = 191,965.56 : x
  2. Step 2: Convert to fraction form
    353,106.52/487,281.18 = 191,965.56/x
  3. Step 3: Cross multiply
    353,106.52x = 487,281.18 × 191,965.56
  4. Step 4: Simplify right side
    353,106.52x = 93,541,204,596.16
  5. Step 5: Solve for x
    x = 93,541,204,596.16/353,106.52
  6. Step 6: Final answer
    x = 264,909.31

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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.