Home / 353,106.48-487,281.12-191,965.56

Finding the Fourth Proportional to 353,106.48, 487,281.12 and 191,965.56

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Solution

The fourth proportional to 353,106.48, 487,281.12 and 191,965.56 is: 264,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,106.48 : 487,281.12 = 191,965.56 : x
  2. Step 2: Convert to fraction form
    353,106.48/487,281.12 = 191,965.56/x
  3. Step 3: Cross multiply
    353,106.48x = 487,281.12 × 191,965.56
  4. Step 4: Simplify right side
    353,106.48x = 93,541,193,078.23
  5. Step 5: Solve for x
    x = 93,541,193,078.23/353,106.48
  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.