Home / 353,110.19-487,301.60-191,976.28

Finding the Fourth Proportional to 353,110.19, 487,301.60 and 191,976.28

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Solution

The fourth proportional to 353,110.19, 487,301.60 and 191,976.28 is: 264,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,110.19 : 487,301.60 = 191,976.28 : x
  2. Step 2: Convert to fraction form
    353,110.19/487,301.60 = 191,976.28/x
  3. Step 3: Cross multiply
    353,110.19x = 487,301.60 × 191,976.28
  4. Step 4: Simplify right side
    353,110.19x = 93,550,347,667.73
  5. Step 5: Solve for x
    x = 93,550,347,667.73/353,110.19
  6. Step 6: Final answer
    x = 264,932.45

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1.5x scale

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.