Home / 352,909.28-487,017.89-191,764.33

Finding the Fourth Proportional to 352,909.28, 487,017.89 and 191,764.33

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Solution

The fourth proportional to 352,909.28, 487,017.89 and 191,764.33 is: 264,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,909.28 : 487,017.89 = 191,764.33 : x
  2. Step 2: Convert to fraction form
    352,909.28/487,017.89 = 191,764.33/x
  3. Step 3: Cross multiply
    352,909.28x = 487,017.89 × 191,764.33
  4. Step 4: Simplify right side
    352,909.28x = 93,392,655,979.95
  5. Step 5: Solve for x
    x = 93,392,655,979.95/352,909.28
  6. Step 6: Final answer
    x = 264,636.45

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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.