Home / 353,110.19-487,301.67-191,976.08

Finding the Fourth Proportional to 353,110.19, 487,301.67 and 191,976.08

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Solution

The fourth proportional to 353,110.19, 487,301.67 and 191,976.08 is: 264,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,110.19 : 487,301.67 = 191,976.08 : x
  2. Step 2: Convert to fraction form
    353,110.19/487,301.67 = 191,976.08/x
  3. Step 3: Cross multiply
    353,110.19x = 487,301.67 × 191,976.08
  4. Step 4: Simplify right side
    353,110.19x = 93,550,261,947.55
  5. Step 5: Solve for x
    x = 93,550,261,947.55/353,110.19
  6. Step 6: Final answer
    x = 264,932.21

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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.