Home / 352,905.79-487,008.93-191,761.33

Finding the Fourth Proportional to 352,905.79, 487,008.93 and 191,761.33

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Solution

The fourth proportional to 352,905.79, 487,008.93 and 191,761.33 is: 264,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,905.79 : 487,008.93 = 191,761.33 : x
  2. Step 2: Convert to fraction form
    352,905.79/487,008.93 = 191,761.33/x
  3. Step 3: Cross multiply
    352,905.79x = 487,008.93 × 191,761.33
  4. Step 4: Simplify right side
    352,905.79x = 93,389,480,138.68
  5. Step 5: Solve for x
    x = 93,389,480,138.68/352,905.79
  6. Step 6: Final answer
    x = 264,630.06

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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.