Home / 453,819.09-680,569.92-133,886.00

Finding the Fourth Proportional to 453,819.09, 680,569.92 and 133,886.00

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Solution

The fourth proportional to 453,819.09, 680,569.92 and 133,886.00 is: 200,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,819.09 : 680,569.92 = 133,886.00 : x
  2. Step 2: Convert to fraction form
    453,819.09/680,569.92 = 133,886.00/x
  3. Step 3: Cross multiply
    453,819.09x = 680,569.92 × 133,886.00
  4. Step 4: Simplify right side
    453,819.09x = 91,118,780,906.27
  5. Step 5: Solve for x
    x = 91,118,780,906.27/453,819.09
  6. Step 6: Final answer
    x = 200,782.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.